Home / 16,435.64-22,700.04-11,979.30

Finding the Fourth Proportional to 16,435.64, 22,700.04 and 11,979.30

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Solution

The fourth proportional to 16,435.64, 22,700.04 and 11,979.30 is: 16,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,435.64 : 22,700.04 = 11,979.30 : x
  2. Step 2: Convert to fraction form
    16,435.64/22,700.04 = 11,979.30/x
  3. Step 3: Cross multiply
    16,435.64x = 22,700.04 × 11,979.30
  4. Step 4: Simplify right side
    16,435.64x = 271,930,589.17
  5. Step 5: Solve for x
    x = 271,930,589.17/16,435.64
  6. Step 6: Final answer
    x = 16,545.18

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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.