Home / 18,179.04-25,084.48-10,220.96

Finding the Fourth Proportional to 18,179.04, 25,084.48 and 10,220.96

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Solution

The fourth proportional to 18,179.04, 25,084.48 and 10,220.96 is: 14,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.04 : 25,084.48 = 10,220.96 : x
  2. Step 2: Convert to fraction form
    18,179.04/25,084.48 = 10,220.96/x
  3. Step 3: Cross multiply
    18,179.04x = 25,084.48 × 10,220.96
  4. Step 4: Simplify right side
    18,179.04x = 256,387,466.70
  5. Step 5: Solve for x
    x = 256,387,466.70/18,179.04
  6. Step 6: Final answer
    x = 14,103.47

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Half scale
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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.