Home / 16,149.38-22,285.73-8,979.31

Finding the Fourth Proportional to 16,149.38, 22,285.73 and 8,979.31

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Solution

The fourth proportional to 16,149.38, 22,285.73 and 8,979.31 is: 12,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,149.38 : 22,285.73 = 8,979.31 : x
  2. Step 2: Convert to fraction form
    16,149.38/22,285.73 = 8,979.31/x
  3. Step 3: Cross multiply
    16,149.38x = 22,285.73 × 8,979.31
  4. Step 4: Simplify right side
    16,149.38x = 200,110,403.19
  5. Step 5: Solve for x
    x = 200,110,403.19/16,149.38
  6. Step 6: Final answer
    x = 12,391.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.