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Finding the Fourth Proportional to 12,575.67, 18,865.86 and 6,002.31

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Solution

The fourth proportional to 12,575.67, 18,865.86 and 6,002.31 is: 9,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.67 : 18,865.86 = 6,002.31 : x
  2. Step 2: Convert to fraction form
    12,575.67/18,865.86 = 6,002.31/x
  3. Step 3: Cross multiply
    12,575.67x = 18,865.86 × 6,002.31
  4. Step 4: Simplify right side
    12,575.67x = 113,238,740.14
  5. Step 5: Solve for x
    x = 113,238,740.14/12,575.67
  6. Step 6: Final answer
    x = 9,004.59

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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.