Home / 10,087.56-15,102.12-8,425.44

Finding the Fourth Proportional to 10,087.56, 15,102.12 and 8,425.44

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Solution

The fourth proportional to 10,087.56, 15,102.12 and 8,425.44 is: 12,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.56 : 15,102.12 = 8,425.44 : x
  2. Step 2: Convert to fraction form
    10,087.56/15,102.12 = 8,425.44/x
  3. Step 3: Cross multiply
    10,087.56x = 15,102.12 × 8,425.44
  4. Step 4: Simplify right side
    10,087.56x = 127,242,005.93
  5. Step 5: Solve for x
    x = 127,242,005.93/10,087.56
  6. Step 6: Final answer
    x = 12,613.75

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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.