Home / 8,175.27-12,158.41-8,087.79

Finding the Fourth Proportional to 8,175.27, 12,158.41 and 8,087.79

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Solution

The fourth proportional to 8,175.27, 12,158.41 and 8,087.79 is: 12,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.27 : 12,158.41 = 8,087.79 : x
  2. Step 2: Convert to fraction form
    8,175.27/12,158.41 = 8,087.79/x
  3. Step 3: Cross multiply
    8,175.27x = 12,158.41 × 8,087.79
  4. Step 4: Simplify right side
    8,175.27x = 98,334,646.59
  5. Step 5: Solve for x
    x = 98,334,646.59/8,175.27
  6. Step 6: Final answer
    x = 12,028.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.