Home / 12,335.85-18,504.72-4,439.97

Finding the Fourth Proportional to 12,335.85, 18,504.72 and 4,439.97

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Solution

The fourth proportional to 12,335.85, 18,504.72 and 4,439.97 is: 6,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.85 : 18,504.72 = 4,439.97 : x
  2. Step 2: Convert to fraction form
    12,335.85/18,504.72 = 4,439.97/x
  3. Step 3: Cross multiply
    12,335.85x = 18,504.72 × 4,439.97
  4. Step 4: Simplify right side
    12,335.85x = 82,160,401.66
  5. Step 5: Solve for x
    x = 82,160,401.66/12,335.85
  6. Step 6: Final answer
    x = 6,660.30

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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.