Home / 20,195.70-30,293.55-13,974.90

Finding the Fourth Proportional to 20,195.70, 30,293.55 and 13,974.90

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Solution

The fourth proportional to 20,195.70, 30,293.55 and 13,974.90 is: 20,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.70 : 30,293.55 = 13,974.90 : x
  2. Step 2: Convert to fraction form
    20,195.70/30,293.55 = 13,974.90/x
  3. Step 3: Cross multiply
    20,195.70x = 30,293.55 × 13,974.90
  4. Step 4: Simplify right side
    20,195.70x = 423,349,331.90
  5. Step 5: Solve for x
    x = 423,349,331.90/20,195.70
  6. Step 6: Final answer
    x = 20,962.35

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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.