Home / 15,680.82-23,521.30-5,299.86

Finding the Fourth Proportional to 15,680.82, 23,521.30 and 5,299.86

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Solution

The fourth proportional to 15,680.82, 23,521.30 and 5,299.86 is: 7,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.82 : 23,521.30 = 5,299.86 : x
  2. Step 2: Convert to fraction form
    15,680.82/23,521.30 = 5,299.86/x
  3. Step 3: Cross multiply
    15,680.82x = 23,521.30 × 5,299.86
  4. Step 4: Simplify right side
    15,680.82x = 124,659,583.77
  5. Step 5: Solve for x
    x = 124,659,583.77/15,680.82
  6. Step 6: Final answer
    x = 7,949.81

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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.