Home / 14,732.76-20,331.78-8,446.32

Finding the Fourth Proportional to 14,732.76, 20,331.78 and 8,446.32

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Solution

The fourth proportional to 14,732.76, 20,331.78 and 8,446.32 is: 11,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.76 : 20,331.78 = 8,446.32 : x
  2. Step 2: Convert to fraction form
    14,732.76/20,331.78 = 8,446.32/x
  3. Step 3: Cross multiply
    14,732.76x = 20,331.78 × 8,446.32
  4. Step 4: Simplify right side
    14,732.76x = 171,728,720.05
  5. Step 5: Solve for x
    x = 171,728,720.05/14,732.76
  6. Step 6: Final answer
    x = 11,656.25

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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.