Home / 14,612.92-20,165.79-8,325.34

Finding the Fourth Proportional to 14,612.92, 20,165.79 and 8,325.34

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Solution

The fourth proportional to 14,612.92, 20,165.79 and 8,325.34 is: 11,488.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.92 : 20,165.79 = 8,325.34 : x
  2. Step 2: Convert to fraction form
    14,612.92/20,165.79 = 8,325.34/x
  3. Step 3: Cross multiply
    14,612.92x = 20,165.79 × 8,325.34
  4. Step 4: Simplify right side
    14,612.92x = 167,887,058.12
  5. Step 5: Solve for x
    x = 167,887,058.12/14,612.92
  6. Step 6: Final answer
    x = 11,488.95

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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.