Home / 16,424-22,665.68-8,972.48

Finding the Fourth Proportional to 16,424, 22,665.68 and 8,972.48

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Solution

The fourth proportional to 16,424, 22,665.68 and 8,972.48 is: 12,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,424 : 22,665.68 = 8,972.48 : x
  2. Step 2: Convert to fraction form
    16,424/22,665.68 = 8,972.48/x
  3. Step 3: Cross multiply
    16,424x = 22,665.68 × 8,972.48
  4. Step 4: Simplify right side
    16,424x = 203,367,360.49
  5. Step 5: Solve for x
    x = 203,367,360.49/16,424
  6. Step 6: Final answer
    x = 12,382.33

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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.