Home / 16,105.40-24,158.10-11,439.80

Finding the Fourth Proportional to 16,105.40, 24,158.10 and 11,439.80

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Solution

The fourth proportional to 16,105.40, 24,158.10 and 11,439.80 is: 17,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,105.40 : 24,158.10 = 11,439.80 : x
  2. Step 2: Convert to fraction form
    16,105.40/24,158.10 = 11,439.80/x
  3. Step 3: Cross multiply
    16,105.40x = 24,158.10 × 11,439.80
  4. Step 4: Simplify right side
    16,105.40x = 276,363,832.38
  5. Step 5: Solve for x
    x = 276,363,832.38/16,105.40
  6. Step 6: Final answer
    x = 17,159.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.