Home / 16,181.20-22,330.65-9,108.28

Finding the Fourth Proportional to 16,181.20, 22,330.65 and 9,108.28

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Solution

The fourth proportional to 16,181.20, 22,330.65 and 9,108.28 is: 12,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,181.20 : 22,330.65 = 9,108.28 : x
  2. Step 2: Convert to fraction form
    16,181.20/22,330.65 = 9,108.28/x
  3. Step 3: Cross multiply
    16,181.20x = 22,330.65 × 9,108.28
  4. Step 4: Simplify right side
    16,181.20x = 203,393,812.78
  5. Step 5: Solve for x
    x = 203,393,812.78/16,181.20
  6. Step 6: Final answer
    x = 12,569.76

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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.