Home / 10,451.22-15,682.20-6,943.65

Finding the Fourth Proportional to 10,451.22, 15,682.20 and 6,943.65

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Solution

The fourth proportional to 10,451.22, 15,682.20 and 6,943.65 is: 10,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.22 : 15,682.20 = 6,943.65 : x
  2. Step 2: Convert to fraction form
    10,451.22/15,682.20 = 6,943.65/x
  3. Step 3: Cross multiply
    10,451.22x = 15,682.20 × 6,943.65
  4. Step 4: Simplify right side
    10,451.22x = 108,891,708.03
  5. Step 5: Solve for x
    x = 108,891,708.03/10,451.22
  6. Step 6: Final answer
    x = 10,419.04

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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.