Home / 20,894.42-28,834.14-11,334.33

Finding the Fourth Proportional to 20,894.42, 28,834.14 and 11,334.33

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Solution

The fourth proportional to 20,894.42, 28,834.14 and 11,334.33 is: 15,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.42 : 28,834.14 = 11,334.33 : x
  2. Step 2: Convert to fraction form
    20,894.42/28,834.14 = 11,334.33/x
  3. Step 3: Cross multiply
    20,894.42x = 28,834.14 × 11,334.33
  4. Step 4: Simplify right side
    20,894.42x = 326,815,700.53
  5. Step 5: Solve for x
    x = 326,815,700.53/20,894.42
  6. Step 6: Final answer
    x = 15,641.29

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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.