Home / 18,397.44-27,587.52-8,530.56

Finding the Fourth Proportional to 18,397.44, 27,587.52 and 8,530.56

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Solution

The fourth proportional to 18,397.44, 27,587.52 and 8,530.56 is: 12,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.44 : 27,587.52 = 8,530.56 : x
  2. Step 2: Convert to fraction form
    18,397.44/27,587.52 = 8,530.56/x
  3. Step 3: Cross multiply
    18,397.44x = 27,587.52 × 8,530.56
  4. Step 4: Simplify right side
    18,397.44x = 235,336,994.61
  5. Step 5: Solve for x
    x = 235,336,994.61/18,397.44
  6. Step 6: Final answer
    x = 12,791.83

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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.