Home / 15,998.72-22,068.25-11,515.37

Finding the Fourth Proportional to 15,998.72, 22,068.25 and 11,515.37

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Solution

The fourth proportional to 15,998.72, 22,068.25 and 11,515.37 is: 15,884.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.72 : 22,068.25 = 11,515.37 : x
  2. Step 2: Convert to fraction form
    15,998.72/22,068.25 = 11,515.37/x
  3. Step 3: Cross multiply
    15,998.72x = 22,068.25 × 11,515.37
  4. Step 4: Simplify right side
    15,998.72x = 254,123,924.87
  5. Step 5: Solve for x
    x = 254,123,924.87/15,998.72
  6. Step 6: Final answer
    x = 15,884.02

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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.