Home / 15,158.80-22,739.28-5,296.96

Finding the Fourth Proportional to 15,158.80, 22,739.28 and 5,296.96

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Solution

The fourth proportional to 15,158.80, 22,739.28 and 5,296.96 is: 7,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158.80 : 22,739.28 = 5,296.96 : x
  2. Step 2: Convert to fraction form
    15,158.80/22,739.28 = 5,296.96/x
  3. Step 3: Cross multiply
    15,158.80x = 22,739.28 × 5,296.96
  4. Step 4: Simplify right side
    15,158.80x = 120,449,056.59
  5. Step 5: Solve for x
    x = 120,449,056.59/15,158.80
  6. Step 6: Final answer
    x = 7,945.82

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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.