Home / 19,850.13-29,747.66-8,740.17

Finding the Fourth Proportional to 19,850.13, 29,747.66 and 8,740.17

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Solution

The fourth proportional to 19,850.13, 29,747.66 and 8,740.17 is: 13,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.13 : 29,747.66 = 8,740.17 : x
  2. Step 2: Convert to fraction form
    19,850.13/29,747.66 = 8,740.17/x
  3. Step 3: Cross multiply
    19,850.13x = 29,747.66 × 8,740.17
  4. Step 4: Simplify right side
    19,850.13x = 259,999,561.80
  5. Step 5: Solve for x
    x = 259,999,561.80/19,850.13
  6. Step 6: Final answer
    x = 13,098.13

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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.