Home / 14,265.76-21,398.36-3,877.24

Finding the Fourth Proportional to 14,265.76, 21,398.36 and 3,877.24

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Solution

The fourth proportional to 14,265.76, 21,398.36 and 3,877.24 is: 5,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.76 : 21,398.36 = 3,877.24 : x
  2. Step 2: Convert to fraction form
    14,265.76/21,398.36 = 3,877.24/x
  3. Step 3: Cross multiply
    14,265.76x = 21,398.36 × 3,877.24
  4. Step 4: Simplify right side
    14,265.76x = 82,966,577.33
  5. Step 5: Solve for x
    x = 82,966,577.33/14,265.76
  6. Step 6: Final answer
    x = 5,815.78

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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.