Home / 15,003.21-22,508.00-5,139.84

Finding the Fourth Proportional to 15,003.21, 22,508.00 and 5,139.84

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Solution

The fourth proportional to 15,003.21, 22,508.00 and 5,139.84 is: 7,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.21 : 22,508.00 = 5,139.84 : x
  2. Step 2: Convert to fraction form
    15,003.21/22,508.00 = 5,139.84/x
  3. Step 3: Cross multiply
    15,003.21x = 22,508.00 × 5,139.84
  4. Step 4: Simplify right side
    15,003.21x = 115,687,493.02
  5. Step 5: Solve for x
    x = 115,687,493.02/15,003.21
  6. Step 6: Final answer
    x = 7,710.85

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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.