Home / 13,344.42-20,009.82-4,456.55

Finding the Fourth Proportional to 13,344.42, 20,009.82 and 4,456.55

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Solution

The fourth proportional to 13,344.42, 20,009.82 and 4,456.55 is: 6,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.42 : 20,009.82 = 4,456.55 : x
  2. Step 2: Convert to fraction form
    13,344.42/20,009.82 = 4,456.55/x
  3. Step 3: Cross multiply
    13,344.42x = 20,009.82 × 4,456.55
  4. Step 4: Simplify right side
    13,344.42x = 89,174,755.02
  5. Step 5: Solve for x
    x = 89,174,755.02/13,344.42
  6. Step 6: Final answer
    x = 6,682.55

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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.