Home / 18,240.88-27,335.60-8,613.48

Finding the Fourth Proportional to 18,240.88, 27,335.60 and 8,613.48

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Solution

The fourth proportional to 18,240.88, 27,335.60 and 8,613.48 is: 12,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.88 : 27,335.60 = 8,613.48 : x
  2. Step 2: Convert to fraction form
    18,240.88/27,335.60 = 8,613.48/x
  3. Step 3: Cross multiply
    18,240.88x = 27,335.60 × 8,613.48
  4. Step 4: Simplify right side
    18,240.88x = 235,454,652.69
  5. Step 5: Solve for x
    x = 235,454,652.69/18,240.88
  6. Step 6: Final answer
    x = 12,908.08

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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.