Home / 10,345.14-15,517.80-4,102.38

Finding the Fourth Proportional to 10,345.14, 15,517.80 and 4,102.38

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Solution

The fourth proportional to 10,345.14, 15,517.80 and 4,102.38 is: 6,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.14 : 15,517.80 = 4,102.38 : x
  2. Step 2: Convert to fraction form
    10,345.14/15,517.80 = 4,102.38/x
  3. Step 3: Cross multiply
    10,345.14x = 15,517.80 × 4,102.38
  4. Step 4: Simplify right side
    10,345.14x = 63,659,912.36
  5. Step 5: Solve for x
    x = 63,659,912.36/10,345.14
  6. Step 6: Final answer
    x = 6,153.61

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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.