Home / 21,743.80-32,591.40-9,261.70

Finding the Fourth Proportional to 21,743.80, 32,591.40 and 9,261.70

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Solution

The fourth proportional to 21,743.80, 32,591.40 and 9,261.70 is: 13,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743.80 : 32,591.40 = 9,261.70 : x
  2. Step 2: Convert to fraction form
    21,743.80/32,591.40 = 9,261.70/x
  3. Step 3: Cross multiply
    21,743.80x = 32,591.40 × 9,261.70
  4. Step 4: Simplify right side
    21,743.80x = 301,851,769.38
  5. Step 5: Solve for x
    x = 301,851,769.38/21,743.80
  6. Step 6: Final answer
    x = 13,882.20

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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.