Home / 14,251.88-21,385.11-6,356.81

Finding the Fourth Proportional to 14,251.88, 21,385.11 and 6,356.81

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Solution

The fourth proportional to 14,251.88, 21,385.11 and 6,356.81 is: 9,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.88 : 21,385.11 = 6,356.81 : x
  2. Step 2: Convert to fraction form
    14,251.88/21,385.11 = 6,356.81/x
  3. Step 3: Cross multiply
    14,251.88x = 21,385.11 × 6,356.81
  4. Step 4: Simplify right side
    14,251.88x = 135,940,974.17
  5. Step 5: Solve for x
    x = 135,940,974.17/14,251.88
  6. Step 6: Final answer
    x = 9,538.46

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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.