Home / 13,335.53-20,010.27-8,654.43

Finding the Fourth Proportional to 13,335.53, 20,010.27 and 8,654.43

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Solution

The fourth proportional to 13,335.53, 20,010.27 and 8,654.43 is: 12,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.53 : 20,010.27 = 8,654.43 : x
  2. Step 2: Convert to fraction form
    13,335.53/20,010.27 = 8,654.43/x
  3. Step 3: Cross multiply
    13,335.53x = 20,010.27 × 8,654.43
  4. Step 4: Simplify right side
    13,335.53x = 173,177,481.00
  5. Step 5: Solve for x
    x = 173,177,481.00/13,335.53
  6. Step 6: Final answer
    x = 12,986.18

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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.