Home / 20,294.43-28,006.22-11,341.93

Finding the Fourth Proportional to 20,294.43, 28,006.22 and 11,341.93

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Solution

The fourth proportional to 20,294.43, 28,006.22 and 11,341.93 is: 15,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.43 : 28,006.22 = 11,341.93 : x
  2. Step 2: Convert to fraction form
    20,294.43/28,006.22 = 11,341.93/x
  3. Step 3: Cross multiply
    20,294.43x = 28,006.22 × 11,341.93
  4. Step 4: Simplify right side
    20,294.43x = 317,644,586.80
  5. Step 5: Solve for x
    x = 317,644,586.80/20,294.43
  6. Step 6: Final answer
    x = 15,651.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.