Home / 11,179.39-16,697.65-10,123.69

Finding the Fourth Proportional to 11,179.39, 16,697.65 and 10,123.69

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Solution

The fourth proportional to 11,179.39, 16,697.65 and 10,123.69 is: 15,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.39 : 16,697.65 = 10,123.69 : x
  2. Step 2: Convert to fraction form
    11,179.39/16,697.65 = 10,123.69/x
  3. Step 3: Cross multiply
    11,179.39x = 16,697.65 × 10,123.69
  4. Step 4: Simplify right side
    11,179.39x = 169,041,857.64
  5. Step 5: Solve for x
    x = 169,041,857.64/11,179.39
  6. Step 6: Final answer
    x = 15,120.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.