Home / 11,775.32-16,230.42-11,463.69

Finding the Fourth Proportional to 11,775.32, 16,230.42 and 11,463.69

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Solution

The fourth proportional to 11,775.32, 16,230.42 and 11,463.69 is: 15,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.32 : 16,230.42 = 11,463.69 : x
  2. Step 2: Convert to fraction form
    11,775.32/16,230.42 = 11,463.69/x
  3. Step 3: Cross multiply
    11,775.32x = 16,230.42 × 11,463.69
  4. Step 4: Simplify right side
    11,775.32x = 186,060,503.45
  5. Step 5: Solve for x
    x = 186,060,503.45/11,775.32
  6. Step 6: Final answer
    x = 15,800.89

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Half scale
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Double scale
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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.