Home / 10,621.27-14,657.20-6,144.92

Finding the Fourth Proportional to 10,621.27, 14,657.20 and 6,144.92

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Solution

The fourth proportional to 10,621.27, 14,657.20 and 6,144.92 is: 8,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.27 : 14,657.20 = 6,144.92 : x
  2. Step 2: Convert to fraction form
    10,621.27/14,657.20 = 6,144.92/x
  3. Step 3: Cross multiply
    10,621.27x = 14,657.20 × 6,144.92
  4. Step 4: Simplify right side
    10,621.27x = 90,067,321.42
  5. Step 5: Solve for x
    x = 90,067,321.42/10,621.27
  6. Step 6: Final answer
    x = 8,479.90

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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.