Home / 20,006.19-29,993.21-13,747.66

Finding the Fourth Proportional to 20,006.19, 29,993.21 and 13,747.66

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Solution

The fourth proportional to 20,006.19, 29,993.21 and 13,747.66 is: 20,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.19 : 29,993.21 = 13,747.66 : x
  2. Step 2: Convert to fraction form
    20,006.19/29,993.21 = 13,747.66/x
  3. Step 3: Cross multiply
    20,006.19x = 29,993.21 × 13,747.66
  4. Step 4: Simplify right side
    20,006.19x = 412,336,347.16
  5. Step 5: Solve for x
    x = 412,336,347.16/20,006.19
  6. Step 6: Final answer
    x = 20,610.44

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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.