Home / 14,001.04-21,001.52-3,612.72

Finding the Fourth Proportional to 14,001.04, 21,001.52 and 3,612.72

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Solution

The fourth proportional to 14,001.04, 21,001.52 and 3,612.72 is: 5,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.04 : 21,001.52 = 3,612.72 : x
  2. Step 2: Convert to fraction form
    14,001.04/21,001.52 = 3,612.72/x
  3. Step 3: Cross multiply
    14,001.04x = 21,001.52 × 3,612.72
  4. Step 4: Simplify right side
    14,001.04x = 75,872,611.33
  5. Step 5: Solve for x
    x = 75,872,611.33/14,001.04
  6. Step 6: Final answer
    x = 5,419.07

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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.