Home / 16,036.64-22,129.68-8,961.70

Finding the Fourth Proportional to 16,036.64, 22,129.68 and 8,961.70

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Solution

The fourth proportional to 16,036.64, 22,129.68 and 8,961.70 is: 12,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,036.64 : 22,129.68 = 8,961.70 : x
  2. Step 2: Convert to fraction form
    16,036.64/22,129.68 = 8,961.70/x
  3. Step 3: Cross multiply
    16,036.64x = 22,129.68 × 8,961.70
  4. Step 4: Simplify right side
    16,036.64x = 198,319,553.26
  5. Step 5: Solve for x
    x = 198,319,553.26/16,036.64
  6. Step 6: Final answer
    x = 12,366.65

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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.