Home / 10,618.67-15,928.01-3,122.23

Finding the Fourth Proportional to 10,618.67, 15,928.01 and 3,122.23

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Solution

The fourth proportional to 10,618.67, 15,928.01 and 3,122.23 is: 4,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.67 : 15,928.01 = 3,122.23 : x
  2. Step 2: Convert to fraction form
    10,618.67/15,928.01 = 3,122.23/x
  3. Step 3: Cross multiply
    10,618.67x = 15,928.01 × 3,122.23
  4. Step 4: Simplify right side
    10,618.67x = 49,730,910.66
  5. Step 5: Solve for x
    x = 49,730,910.66/10,618.67
  6. Step 6: Final answer
    x = 4,683.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.