Home / 13,245.80-19,863.30-4,476.20

Finding the Fourth Proportional to 13,245.80, 19,863.30 and 4,476.20

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Solution

The fourth proportional to 13,245.80, 19,863.30 and 4,476.20 is: 6,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.80 : 19,863.30 = 4,476.20 : x
  2. Step 2: Convert to fraction form
    13,245.80/19,863.30 = 4,476.20/x
  3. Step 3: Cross multiply
    13,245.80x = 19,863.30 × 4,476.20
  4. Step 4: Simplify right side
    13,245.80x = 88,912,103.46
  5. Step 5: Solve for x
    x = 88,912,103.46/13,245.80
  6. Step 6: Final answer
    x = 6,712.48

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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.