Home / 15,361.01-21,236.24-15,220.88

Finding the Fourth Proportional to 15,361.01, 21,236.24 and 15,220.88

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Solution

The fourth proportional to 15,361.01, 21,236.24 and 15,220.88 is: 21,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.01 : 21,236.24 = 15,220.88 : x
  2. Step 2: Convert to fraction form
    15,361.01/21,236.24 = 15,220.88/x
  3. Step 3: Cross multiply
    15,361.01x = 21,236.24 × 15,220.88
  4. Step 4: Simplify right side
    15,361.01x = 323,234,272.20
  5. Step 5: Solve for x
    x = 323,234,272.20/15,361.01
  6. Step 6: Final answer
    x = 21,042.52

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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.