Home / 20,446.11-30,658.79-9,343.29

Finding the Fourth Proportional to 20,446.11, 30,658.79 and 9,343.29

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Solution

The fourth proportional to 20,446.11, 30,658.79 and 9,343.29 is: 14,010.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.11 : 30,658.79 = 9,343.29 : x
  2. Step 2: Convert to fraction form
    20,446.11/30,658.79 = 9,343.29/x
  3. Step 3: Cross multiply
    20,446.11x = 30,658.79 × 9,343.29
  4. Step 4: Simplify right side
    20,446.11x = 286,453,954.34
  5. Step 5: Solve for x
    x = 286,453,954.34/20,446.11
  6. Step 6: Final answer
    x = 14,010.19

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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.