Home / 10,153.20-15,219.42-5,761.38

Finding the Fourth Proportional to 10,153.20, 15,219.42 and 5,761.38

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Solution

The fourth proportional to 10,153.20, 15,219.42 and 5,761.38 is: 8,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.20 : 15,219.42 = 5,761.38 : x
  2. Step 2: Convert to fraction form
    10,153.20/15,219.42 = 5,761.38/x
  3. Step 3: Cross multiply
    10,153.20x = 15,219.42 × 5,761.38
  4. Step 4: Simplify right side
    10,153.20x = 87,684,862.00
  5. Step 5: Solve for x
    x = 87,684,862.00/10,153.20
  6. Step 6: Final answer
    x = 8,636.18

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1.5x scale

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.