Home / 21,463.40-32,199.90-8,314.60

Finding the Fourth Proportional to 21,463.40, 32,199.90 and 8,314.60

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Solution

The fourth proportional to 21,463.40, 32,199.90 and 8,314.60 is: 12,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.40 : 32,199.90 = 8,314.60 : x
  2. Step 2: Convert to fraction form
    21,463.40/32,199.90 = 8,314.60/x
  3. Step 3: Cross multiply
    21,463.40x = 32,199.90 × 8,314.60
  4. Step 4: Simplify right side
    21,463.40x = 267,729,288.54
  5. Step 5: Solve for x
    x = 267,729,288.54/21,463.40
  6. Step 6: Final answer
    x = 12,473.76

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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.