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Finding the Fourth Proportional to 10,040.40, 15,054.60 and 6,147.60

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Solution

The fourth proportional to 10,040.40, 15,054.60 and 6,147.60 is: 9,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.40 : 15,054.60 = 6,147.60 : x
  2. Step 2: Convert to fraction form
    10,040.40/15,054.60 = 6,147.60/x
  3. Step 3: Cross multiply
    10,040.40x = 15,054.60 × 6,147.60
  4. Step 4: Simplify right side
    10,040.40x = 92,549,658.96
  5. Step 5: Solve for x
    x = 92,549,658.96/10,040.40
  6. Step 6: Final answer
    x = 9,217.73

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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.