Home / 20,171.35-30,257.02-9,075.97

Finding the Fourth Proportional to 20,171.35, 30,257.02 and 9,075.97

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Solution

The fourth proportional to 20,171.35, 30,257.02 and 9,075.97 is: 13,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.35 : 30,257.02 = 9,075.97 : x
  2. Step 2: Convert to fraction form
    20,171.35/30,257.02 = 9,075.97/x
  3. Step 3: Cross multiply
    20,171.35x = 30,257.02 × 9,075.97
  4. Step 4: Simplify right side
    20,171.35x = 274,611,654.52
  5. Step 5: Solve for x
    x = 274,611,654.52/20,171.35
  6. Step 6: Final answer
    x = 13,613.95

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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.