Home / 10,279.17-15,422.85-6,121.14

Finding the Fourth Proportional to 10,279.17, 15,422.85 and 6,121.14

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Solution

The fourth proportional to 10,279.17, 15,422.85 and 6,121.14 is: 9,184.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.17 : 15,422.85 = 6,121.14 : x
  2. Step 2: Convert to fraction form
    10,279.17/15,422.85 = 6,121.14/x
  3. Step 3: Cross multiply
    10,279.17x = 15,422.85 × 6,121.14
  4. Step 4: Simplify right side
    10,279.17x = 94,405,424.05
  5. Step 5: Solve for x
    x = 94,405,424.05/10,279.17
  6. Step 6: Final answer
    x = 9,184.15

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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.