Home / 10,441.08-14,427.44-8,220.04

Finding the Fourth Proportional to 10,441.08, 14,427.44 and 8,220.04

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Solution

The fourth proportional to 10,441.08, 14,427.44 and 8,220.04 is: 11,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.08 : 14,427.44 = 8,220.04 : x
  2. Step 2: Convert to fraction form
    10,441.08/14,427.44 = 8,220.04/x
  3. Step 3: Cross multiply
    10,441.08x = 14,427.44 × 8,220.04
  4. Step 4: Simplify right side
    10,441.08x = 118,594,133.90
  5. Step 5: Solve for x
    x = 118,594,133.90/10,441.08
  6. Step 6: Final answer
    x = 11,358.42

Related Problems

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Half scale
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Double scale
Find fourth proportional to 10,442.08, 14,428.82 and 8,221.04
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.