Home / 20,734.33-31,047.27-11,354.83

Finding the Fourth Proportional to 20,734.33, 31,047.27 and 11,354.83

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Solution

The fourth proportional to 20,734.33, 31,047.27 and 11,354.83 is: 17,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.33 : 31,047.27 = 11,354.83 : x
  2. Step 2: Convert to fraction form
    20,734.33/31,047.27 = 11,354.83/x
  3. Step 3: Cross multiply
    20,734.33x = 31,047.27 × 11,354.83
  4. Step 4: Simplify right side
    20,734.33x = 352,536,472.81
  5. Step 5: Solve for x
    x = 352,536,472.81/20,734.33
  6. Step 6: Final answer
    x = 17,002.55

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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.