Home / 18,218.28-27,331.08-5,741.46

Finding the Fourth Proportional to 18,218.28, 27,331.08 and 5,741.46

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Solution

The fourth proportional to 18,218.28, 27,331.08 and 5,741.46 is: 8,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.28 : 27,331.08 = 5,741.46 : x
  2. Step 2: Convert to fraction form
    18,218.28/27,331.08 = 5,741.46/x
  3. Step 3: Cross multiply
    18,218.28x = 27,331.08 × 5,741.46
  4. Step 4: Simplify right side
    18,218.28x = 156,920,302.58
  5. Step 5: Solve for x
    x = 156,920,302.58/18,218.28
  6. Step 6: Final answer
    x = 8,613.34

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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.