Home / 16,930.31-25,365.38-14,439.86

Finding the Fourth Proportional to 16,930.31, 25,365.38 and 14,439.86

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Solution

The fourth proportional to 16,930.31, 25,365.38 and 14,439.86 is: 21,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.31 : 25,365.38 = 14,439.86 : x
  2. Step 2: Convert to fraction form
    16,930.31/25,365.38 = 14,439.86/x
  3. Step 3: Cross multiply
    16,930.31x = 25,365.38 × 14,439.86
  4. Step 4: Simplify right side
    16,930.31x = 366,272,337.02
  5. Step 5: Solve for x
    x = 366,272,337.02/16,930.31
  6. Step 6: Final answer
    x = 21,634.13

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1.5x scale

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.