Home / 13,254.83-18,291.68-7,286.85

Finding the Fourth Proportional to 13,254.83, 18,291.68 and 7,286.85

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Solution

The fourth proportional to 13,254.83, 18,291.68 and 7,286.85 is: 10,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.83 : 18,291.68 = 7,286.85 : x
  2. Step 2: Convert to fraction form
    13,254.83/18,291.68 = 7,286.85/x
  3. Step 3: Cross multiply
    13,254.83x = 18,291.68 × 7,286.85
  4. Step 4: Simplify right side
    13,254.83x = 133,288,691.97
  5. Step 5: Solve for x
    x = 133,288,691.97/13,254.83
  6. Step 6: Final answer
    x = 10,055.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.