Home / 13,182.24-19,770.12-4,414.80

Finding the Fourth Proportional to 13,182.24, 19,770.12 and 4,414.80

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Solution

The fourth proportional to 13,182.24, 19,770.12 and 4,414.80 is: 6,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.24 : 19,770.12 = 4,414.80 : x
  2. Step 2: Convert to fraction form
    13,182.24/19,770.12 = 4,414.80/x
  3. Step 3: Cross multiply
    13,182.24x = 19,770.12 × 4,414.80
  4. Step 4: Simplify right side
    13,182.24x = 87,281,125.78
  5. Step 5: Solve for x
    x = 87,281,125.78/13,182.24
  6. Step 6: Final answer
    x = 6,621.11

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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.