Home / 18,288.30-27,432.45-10,901.10

Finding the Fourth Proportional to 18,288.30, 27,432.45 and 10,901.10

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Solution

The fourth proportional to 18,288.30, 27,432.45 and 10,901.10 is: 16,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.30 : 27,432.45 = 10,901.10 : x
  2. Step 2: Convert to fraction form
    18,288.30/27,432.45 = 10,901.10/x
  3. Step 3: Cross multiply
    18,288.30x = 27,432.45 × 10,901.10
  4. Step 4: Simplify right side
    18,288.30x = 299,043,880.70
  5. Step 5: Solve for x
    x = 299,043,880.70/18,288.30
  6. Step 6: Final answer
    x = 16,351.65

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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.