Home / 18,535.38-25,579.44-11,267.52

Finding the Fourth Proportional to 18,535.38, 25,579.44 and 11,267.52

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Solution

The fourth proportional to 18,535.38, 25,579.44 and 11,267.52 is: 15,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.38 : 25,579.44 = 11,267.52 : x
  2. Step 2: Convert to fraction form
    18,535.38/25,579.44 = 11,267.52/x
  3. Step 3: Cross multiply
    18,535.38x = 25,579.44 × 11,267.52
  4. Step 4: Simplify right side
    18,535.38x = 288,216,851.79
  5. Step 5: Solve for x
    x = 288,216,851.79/18,535.38
  6. Step 6: Final answer
    x = 15,549.55

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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.