Home / 8,150.13-12,231.35-5,649.91

Finding the Fourth Proportional to 8,150.13, 12,231.35 and 5,649.91

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Solution

The fourth proportional to 8,150.13, 12,231.35 and 5,649.91 is: 8,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.13 : 12,231.35 = 5,649.91 : x
  2. Step 2: Convert to fraction form
    8,150.13/12,231.35 = 5,649.91/x
  3. Step 3: Cross multiply
    8,150.13x = 12,231.35 × 5,649.91
  4. Step 4: Simplify right side
    8,150.13x = 69,106,026.68
  5. Step 5: Solve for x
    x = 69,106,026.68/8,150.13
  6. Step 6: Final answer
    x = 8,479.13

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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.