Home / 12,344.28-18,517.86-4,336.58

Finding the Fourth Proportional to 12,344.28, 18,517.86 and 4,336.58

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Solution

The fourth proportional to 12,344.28, 18,517.86 and 4,336.58 is: 6,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.28 : 18,517.86 = 4,336.58 : x
  2. Step 2: Convert to fraction form
    12,344.28/18,517.86 = 4,336.58/x
  3. Step 3: Cross multiply
    12,344.28x = 18,517.86 × 4,336.58
  4. Step 4: Simplify right side
    12,344.28x = 80,304,181.32
  5. Step 5: Solve for x
    x = 80,304,181.32/12,344.28
  6. Step 6: Final answer
    x = 6,505.38

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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.