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Finding the Fourth Proportional to 14,251.09, 21,377 and 6,752.89

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Solution

The fourth proportional to 14,251.09, 21,377 and 6,752.89 is: 10,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.09 : 21,377 = 6,752.89 : x
  2. Step 2: Convert to fraction form
    14,251.09/21,377 = 6,752.89/x
  3. Step 3: Cross multiply
    14,251.09x = 21,377 × 6,752.89
  4. Step 4: Simplify right side
    14,251.09x = 144,356,529.53
  5. Step 5: Solve for x
    x = 144,356,529.53/14,251.09
  6. Step 6: Final answer
    x = 10,129.51

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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.