Home / 13,517.52-18,612.88-12,250.32

Finding the Fourth Proportional to 13,517.52, 18,612.88 and 12,250.32

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Solution

The fourth proportional to 13,517.52, 18,612.88 and 12,250.32 is: 16,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.52 : 18,612.88 = 12,250.32 : x
  2. Step 2: Convert to fraction form
    13,517.52/18,612.88 = 12,250.32/x
  3. Step 3: Cross multiply
    13,517.52x = 18,612.88 × 12,250.32
  4. Step 4: Simplify right side
    13,517.52x = 228,013,736.12
  5. Step 5: Solve for x
    x = 228,013,736.12/13,517.52
  6. Step 6: Final answer
    x = 16,868.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.