Home / 16,658.96-22,989.24-9,105.32

Finding the Fourth Proportional to 16,658.96, 22,989.24 and 9,105.32

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Solution

The fourth proportional to 16,658.96, 22,989.24 and 9,105.32 is: 12,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.96 : 22,989.24 = 9,105.32 : x
  2. Step 2: Convert to fraction form
    16,658.96/22,989.24 = 9,105.32/x
  3. Step 3: Cross multiply
    16,658.96x = 22,989.24 × 9,105.32
  4. Step 4: Simplify right side
    16,658.96x = 209,324,386.76
  5. Step 5: Solve for x
    x = 209,324,386.76/16,658.96
  6. Step 6: Final answer
    x = 12,565.27

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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.