Home / 16,181.47-22,330.20-9,107.92

Finding the Fourth Proportional to 16,181.47, 22,330.20 and 9,107.92

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Solution

The fourth proportional to 16,181.47, 22,330.20 and 9,107.92 is: 12,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.47 : 22,330.20 = 9,107.92 : x
  2. Step 2: Convert to fraction form
    16,181.47/22,330.20 = 9,107.92/x
  3. Step 3: Cross multiply
    16,181.47x = 22,330.20 × 9,107.92
  4. Step 4: Simplify right side
    16,181.47x = 203,381,675.18
  5. Step 5: Solve for x
    x = 203,381,675.18/16,181.47
  6. Step 6: Final answer
    x = 12,568.80

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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.