Home / 12,427.26-17,145.51-7,049.04

Finding the Fourth Proportional to 12,427.26, 17,145.51 and 7,049.04

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Solution

The fourth proportional to 12,427.26, 17,145.51 and 7,049.04 is: 9,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.26 : 17,145.51 = 7,049.04 : x
  2. Step 2: Convert to fraction form
    12,427.26/17,145.51 = 7,049.04/x
  3. Step 3: Cross multiply
    12,427.26x = 17,145.51 × 7,049.04
  4. Step 4: Simplify right side
    12,427.26x = 120,859,385.81
  5. Step 5: Solve for x
    x = 120,859,385.81/12,427.26
  6. Step 6: Final answer
    x = 9,725.34

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Half scale
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Double scale
Find fourth proportional to 12,428.26, 17,146.89 and 7,050.04
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.