Home / 14,001.31-21,001.97-3,612.25

Finding the Fourth Proportional to 14,001.31, 21,001.97 and 3,612.25

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Solution

The fourth proportional to 14,001.31, 21,001.97 and 3,612.25 is: 5,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.31 : 21,001.97 = 3,612.25 : x
  2. Step 2: Convert to fraction form
    14,001.31/21,001.97 = 3,612.25/x
  3. Step 3: Cross multiply
    14,001.31x = 21,001.97 × 3,612.25
  4. Step 4: Simplify right side
    14,001.31x = 75,864,366.13
  5. Step 5: Solve for x
    x = 75,864,366.13/14,001.31
  6. Step 6: Final answer
    x = 5,418.38

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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.