Home / 13,932.18-20,898.19-3,402.26

Finding the Fourth Proportional to 13,932.18, 20,898.19 and 3,402.26

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Solution

The fourth proportional to 13,932.18, 20,898.19 and 3,402.26 is: 5,103.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.18 : 20,898.19 = 3,402.26 : x
  2. Step 2: Convert to fraction form
    13,932.18/20,898.19 = 3,402.26/x
  3. Step 3: Cross multiply
    13,932.18x = 20,898.19 × 3,402.26
  4. Step 4: Simplify right side
    13,932.18x = 71,100,954.41
  5. Step 5: Solve for x
    x = 71,100,954.41/13,932.18
  6. Step 6: Final answer
    x = 5,103.36

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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.