Home / 15,170.49-22,755.87-5,309.75

Finding the Fourth Proportional to 15,170.49, 22,755.87 and 5,309.75

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Solution

The fourth proportional to 15,170.49, 22,755.87 and 5,309.75 is: 7,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.49 : 22,755.87 = 5,309.75 : x
  2. Step 2: Convert to fraction form
    15,170.49/22,755.87 = 5,309.75/x
  3. Step 3: Cross multiply
    15,170.49x = 22,755.87 × 5,309.75
  4. Step 4: Simplify right side
    15,170.49x = 120,828,037.62
  5. Step 5: Solve for x
    x = 120,828,037.62/15,170.49
  6. Step 6: Final answer
    x = 7,964.68

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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.