Home / 22,763.97-34,145.55-8,720.19

Finding the Fourth Proportional to 22,763.97, 34,145.55 and 8,720.19

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Solution

The fourth proportional to 22,763.97, 34,145.55 and 8,720.19 is: 13,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,763.97 : 34,145.55 = 8,720.19 : x
  2. Step 2: Convert to fraction form
    22,763.97/34,145.55 = 8,720.19/x
  3. Step 3: Cross multiply
    22,763.97x = 34,145.55 × 8,720.19
  4. Step 4: Simplify right side
    22,763.97x = 297,755,683.65
  5. Step 5: Solve for x
    x = 297,755,683.65/22,763.97
  6. Step 6: Final answer
    x = 13,080.13

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Double scale
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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.