Home / 12,084.30-18,126.45-11,015.10

Finding the Fourth Proportional to 12,084.30, 18,126.45 and 11,015.10

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Solution

The fourth proportional to 12,084.30, 18,126.45 and 11,015.10 is: 16,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.30 : 18,126.45 = 11,015.10 : x
  2. Step 2: Convert to fraction form
    12,084.30/18,126.45 = 11,015.10/x
  3. Step 3: Cross multiply
    12,084.30x = 18,126.45 × 11,015.10
  4. Step 4: Simplify right side
    12,084.30x = 199,664,659.40
  5. Step 5: Solve for x
    x = 199,664,659.40/12,084.30
  6. Step 6: Final answer
    x = 16,522.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.