Home / 17,938.62-24,754.68-9,981.18

Finding the Fourth Proportional to 17,938.62, 24,754.68 and 9,981.18

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Solution

The fourth proportional to 17,938.62, 24,754.68 and 9,981.18 is: 13,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.62 : 24,754.68 = 9,981.18 : x
  2. Step 2: Convert to fraction form
    17,938.62/24,754.68 = 9,981.18/x
  3. Step 3: Cross multiply
    17,938.62x = 24,754.68 × 9,981.18
  4. Step 4: Simplify right side
    17,938.62x = 247,080,916.92
  5. Step 5: Solve for x
    x = 247,080,916.92/17,938.62
  6. Step 6: Final answer
    x = 13,773.69

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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.