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Finding the Fourth Proportional to 9,642.53, 14,463.18 and 3,073.43

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Solution

The fourth proportional to 9,642.53, 14,463.18 and 3,073.43 is: 4,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642.53 : 14,463.18 = 3,073.43 : x
  2. Step 2: Convert to fraction form
    9,642.53/14,463.18 = 3,073.43/x
  3. Step 3: Cross multiply
    9,642.53x = 14,463.18 × 3,073.43
  4. Step 4: Simplify right side
    9,642.53x = 44,451,498.99
  5. Step 5: Solve for x
    x = 44,451,498.99/9,642.53
  6. Step 6: Final answer
    x = 4,609.94

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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.