Home / 14,892.41-20,550.72-8,178.92

Finding the Fourth Proportional to 14,892.41, 20,550.72 and 8,178.92

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Solution

The fourth proportional to 14,892.41, 20,550.72 and 8,178.92 is: 11,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.41 : 20,550.72 = 8,178.92 : x
  2. Step 2: Convert to fraction form
    14,892.41/20,550.72 = 8,178.92/x
  3. Step 3: Cross multiply
    14,892.41x = 20,550.72 × 8,178.92
  4. Step 4: Simplify right side
    14,892.41x = 168,082,694.82
  5. Step 5: Solve for x
    x = 168,082,694.82/14,892.41
  6. Step 6: Final answer
    x = 11,286.47

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Double scale
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Similar ratio
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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.