Home / 11,013.60-16,517.35-3,115.50

Finding the Fourth Proportional to 11,013.60, 16,517.35 and 3,115.50

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Solution

The fourth proportional to 11,013.60, 16,517.35 and 3,115.50 is: 4,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.60 : 16,517.35 = 3,115.50 : x
  2. Step 2: Convert to fraction form
    11,013.60/16,517.35 = 3,115.50/x
  3. Step 3: Cross multiply
    11,013.60x = 16,517.35 × 3,115.50
  4. Step 4: Simplify right side
    11,013.60x = 51,459,803.93
  5. Step 5: Solve for x
    x = 51,459,803.93/11,013.60
  6. Step 6: Final answer
    x = 4,672.39

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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.