Home / 10,372.65-15,553.71-5,108.07

Finding the Fourth Proportional to 10,372.65, 15,553.71 and 5,108.07

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Solution

The fourth proportional to 10,372.65, 15,553.71 and 5,108.07 is: 7,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.65 : 15,553.71 = 5,108.07 : x
  2. Step 2: Convert to fraction form
    10,372.65/15,553.71 = 5,108.07/x
  3. Step 3: Cross multiply
    10,372.65x = 15,553.71 × 5,108.07
  4. Step 4: Simplify right side
    10,372.65x = 79,449,439.44
  5. Step 5: Solve for x
    x = 79,449,439.44/10,372.65
  6. Step 6: Final answer
    x = 7,659.51

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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.