Home / 10,257.56-15,375.35-7,326.98

Finding the Fourth Proportional to 10,257.56, 15,375.35 and 7,326.98

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Solution

The fourth proportional to 10,257.56, 15,375.35 and 7,326.98 is: 10,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.56 : 15,375.35 = 7,326.98 : x
  2. Step 2: Convert to fraction form
    10,257.56/15,375.35 = 7,326.98/x
  3. Step 3: Cross multiply
    10,257.56x = 15,375.35 × 7,326.98
  4. Step 4: Simplify right side
    10,257.56x = 112,654,768.43
  5. Step 5: Solve for x
    x = 112,654,768.43/10,257.56
  6. Step 6: Final answer
    x = 10,982.61

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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.