Home / 11,013.76-16,517.60-3,617.45

Finding the Fourth Proportional to 11,013.76, 16,517.60 and 3,617.45

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Solution

The fourth proportional to 11,013.76, 16,517.60 and 3,617.45 is: 5,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.76 : 16,517.60 = 3,617.45 : x
  2. Step 2: Convert to fraction form
    11,013.76/16,517.60 = 3,617.45/x
  3. Step 3: Cross multiply
    11,013.76x = 16,517.60 × 3,617.45
  4. Step 4: Simplify right side
    11,013.76x = 59,751,592.12
  5. Step 5: Solve for x
    x = 59,751,592.12/11,013.76
  6. Step 6: Final answer
    x = 5,425.18

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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.