Home / 15,207.90-22,811.85-10,542.30

Finding the Fourth Proportional to 15,207.90, 22,811.85 and 10,542.30

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Solution

The fourth proportional to 15,207.90, 22,811.85 and 10,542.30 is: 15,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.90 : 22,811.85 = 10,542.30 : x
  2. Step 2: Convert to fraction form
    15,207.90/22,811.85 = 10,542.30/x
  3. Step 3: Cross multiply
    15,207.90x = 22,811.85 × 10,542.30
  4. Step 4: Simplify right side
    15,207.90x = 240,489,366.26
  5. Step 5: Solve for x
    x = 240,489,366.26/15,207.90
  6. Step 6: Final answer
    x = 15,813.45

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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.