Home / 10,343.70-15,517.26-4,103.75

Finding the Fourth Proportional to 10,343.70, 15,517.26 and 4,103.75

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Solution

The fourth proportional to 10,343.70, 15,517.26 and 4,103.75 is: 6,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.70 : 15,517.26 = 4,103.75 : x
  2. Step 2: Convert to fraction form
    10,343.70/15,517.26 = 4,103.75/x
  3. Step 3: Cross multiply
    10,343.70x = 15,517.26 × 4,103.75
  4. Step 4: Simplify right side
    10,343.70x = 63,678,994.52
  5. Step 5: Solve for x
    x = 63,678,994.52/10,343.70
  6. Step 6: Final answer
    x = 6,156.31

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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.