Home / 10,320.70-15,487.22-3,747.39

Finding the Fourth Proportional to 10,320.70, 15,487.22 and 3,747.39

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Solution

The fourth proportional to 10,320.70, 15,487.22 and 3,747.39 is: 5,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.70 : 15,487.22 = 3,747.39 : x
  2. Step 2: Convert to fraction form
    10,320.70/15,487.22 = 3,747.39/x
  3. Step 3: Cross multiply
    10,320.70x = 15,487.22 × 3,747.39
  4. Step 4: Simplify right side
    10,320.70x = 58,036,634.62
  5. Step 5: Solve for x
    x = 58,036,634.62/10,320.70
  6. Step 6: Final answer
    x = 5,623.32

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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.