Home / 15,378.53-23,068.92-5,517.89

Finding the Fourth Proportional to 15,378.53, 23,068.92 and 5,517.89

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Solution

The fourth proportional to 15,378.53, 23,068.92 and 5,517.89 is: 8,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.53 : 23,068.92 = 5,517.89 : x
  2. Step 2: Convert to fraction form
    15,378.53/23,068.92 = 5,517.89/x
  3. Step 3: Cross multiply
    15,378.53x = 23,068.92 × 5,517.89
  4. Step 4: Simplify right side
    15,378.53x = 127,291,754.83
  5. Step 5: Solve for x
    x = 127,291,754.83/15,378.53
  6. Step 6: Final answer
    x = 8,277.24

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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.