Home / 15,352.85-23,010.60-8,672.78

Finding the Fourth Proportional to 15,352.85, 23,010.60 and 8,672.78

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Solution

The fourth proportional to 15,352.85, 23,010.60 and 8,672.78 is: 12,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.85 : 23,010.60 = 8,672.78 : x
  2. Step 2: Convert to fraction form
    15,352.85/23,010.60 = 8,672.78/x
  3. Step 3: Cross multiply
    15,352.85x = 23,010.60 × 8,672.78
  4. Step 4: Simplify right side
    15,352.85x = 199,565,871.47
  5. Step 5: Solve for x
    x = 199,565,871.47/15,352.85
  6. Step 6: Final answer
    x = 12,998.62

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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.