Home / 20,882.76-31,321.10-6,087.71

Finding the Fourth Proportional to 20,882.76, 31,321.10 and 6,087.71

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Solution

The fourth proportional to 20,882.76, 31,321.10 and 6,087.71 is: 9,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882.76 : 31,321.10 = 6,087.71 : x
  2. Step 2: Convert to fraction form
    20,882.76/31,321.10 = 6,087.71/x
  3. Step 3: Cross multiply
    20,882.76x = 31,321.10 × 6,087.71
  4. Step 4: Simplify right side
    20,882.76x = 190,673,773.68
  5. Step 5: Solve for x
    x = 190,673,773.68/20,882.76
  6. Step 6: Final answer
    x = 9,130.68

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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.