Home / 12,932.92-19,399.24-9,117.86

Finding the Fourth Proportional to 12,932.92, 19,399.24 and 9,117.86

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Solution

The fourth proportional to 12,932.92, 19,399.24 and 9,117.86 is: 13,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.92 : 19,399.24 = 9,117.86 : x
  2. Step 2: Convert to fraction form
    12,932.92/19,399.24 = 9,117.86/x
  3. Step 3: Cross multiply
    12,932.92x = 19,399.24 × 9,117.86
  4. Step 4: Simplify right side
    12,932.92x = 176,879,468.83
  5. Step 5: Solve for x
    x = 176,879,468.83/12,932.92
  6. Step 6: Final answer
    x = 13,676.68

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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.