Home / 13,306.29-19,960.97-4,422.41

Finding the Fourth Proportional to 13,306.29, 19,960.97 and 4,422.41

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Solution

The fourth proportional to 13,306.29, 19,960.97 and 4,422.41 is: 6,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.29 : 19,960.97 = 4,422.41 : x
  2. Step 2: Convert to fraction form
    13,306.29/19,960.97 = 4,422.41/x
  3. Step 3: Cross multiply
    13,306.29x = 19,960.97 × 4,422.41
  4. Step 4: Simplify right side
    13,306.29x = 88,275,471.42
  5. Step 5: Solve for x
    x = 88,275,471.42/13,306.29
  6. Step 6: Final answer
    x = 6,634.12

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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.