Home / 19,760.22-29,624.92-13,418.38

Finding the Fourth Proportional to 19,760.22, 29,624.92 and 13,418.38

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Solution

The fourth proportional to 19,760.22, 29,624.92 and 13,418.38 is: 20,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.22 : 29,624.92 = 13,418.38 : x
  2. Step 2: Convert to fraction form
    19,760.22/29,624.92 = 13,418.38/x
  3. Step 3: Cross multiply
    19,760.22x = 29,624.92 × 13,418.38
  4. Step 4: Simplify right side
    19,760.22x = 397,518,434.03
  5. Step 5: Solve for x
    x = 397,518,434.03/19,760.22
  6. Step 6: Final answer
    x = 20,117.11

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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.