Home / 10,154.84-15,231.30-3,132.97

Finding the Fourth Proportional to 10,154.84, 15,231.30 and 3,132.97

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Solution

The fourth proportional to 10,154.84, 15,231.30 and 3,132.97 is: 4,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.84 : 15,231.30 = 3,132.97 : x
  2. Step 2: Convert to fraction form
    10,154.84/15,231.30 = 3,132.97/x
  3. Step 3: Cross multiply
    10,154.84x = 15,231.30 × 3,132.97
  4. Step 4: Simplify right side
    10,154.84x = 47,719,205.96
  5. Step 5: Solve for x
    x = 47,719,205.96/10,154.84
  6. Step 6: Final answer
    x = 4,699.16

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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.