Home / 10,127.20-13,974.20-5,874.70

Finding the Fourth Proportional to 10,127.20, 13,974.20 and 5,874.70

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Solution

The fourth proportional to 10,127.20, 13,974.20 and 5,874.70 is: 8,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.20 : 13,974.20 = 5,874.70 : x
  2. Step 2: Convert to fraction form
    10,127.20/13,974.20 = 5,874.70/x
  3. Step 3: Cross multiply
    10,127.20x = 13,974.20 × 5,874.70
  4. Step 4: Simplify right side
    10,127.20x = 82,094,232.74
  5. Step 5: Solve for x
    x = 82,094,232.74/10,127.20
  6. Step 6: Final answer
    x = 8,106.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.