Home / 10,121.14-15,179.38-2,726.18

Finding the Fourth Proportional to 10,121.14, 15,179.38 and 2,726.18

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Solution

The fourth proportional to 10,121.14, 15,179.38 and 2,726.18 is: 4,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.14 : 15,179.38 = 2,726.18 : x
  2. Step 2: Convert to fraction form
    10,121.14/15,179.38 = 2,726.18/x
  3. Step 3: Cross multiply
    10,121.14x = 15,179.38 × 2,726.18
  4. Step 4: Simplify right side
    10,121.14x = 41,381,722.17
  5. Step 5: Solve for x
    x = 41,381,722.17/10,121.14
  6. Step 6: Final answer
    x = 4,088.64

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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.