Home / 9,981.62-14,972.17-2,585.81

Finding the Fourth Proportional to 9,981.62, 14,972.17 and 2,585.81

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Solution

The fourth proportional to 9,981.62, 14,972.17 and 2,585.81 is: 3,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.62 : 14,972.17 = 2,585.81 : x
  2. Step 2: Convert to fraction form
    9,981.62/14,972.17 = 2,585.81/x
  3. Step 3: Cross multiply
    9,981.62x = 14,972.17 × 2,585.81
  4. Step 4: Simplify right side
    9,981.62x = 38,715,186.91
  5. Step 5: Solve for x
    x = 38,715,186.91/9,981.62
  6. Step 6: Final answer
    x = 3,878.65

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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.