Home / 10,122.67-15,153.90-6,162.04

Finding the Fourth Proportional to 10,122.67, 15,153.90 and 6,162.04

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Solution

The fourth proportional to 10,122.67, 15,153.90 and 6,162.04 is: 9,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.67 : 15,153.90 = 6,162.04 : x
  2. Step 2: Convert to fraction form
    10,122.67/15,153.90 = 6,162.04/x
  3. Step 3: Cross multiply
    10,122.67x = 15,153.90 × 6,162.04
  4. Step 4: Simplify right side
    10,122.67x = 93,378,937.96
  5. Step 5: Solve for x
    x = 93,378,937.96/10,122.67
  6. Step 6: Final answer
    x = 9,224.73

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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.