Home / 20,446.26-28,213.30-11,833.93

Finding the Fourth Proportional to 20,446.26, 28,213.30 and 11,833.93

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Solution

The fourth proportional to 20,446.26, 28,213.30 and 11,833.93 is: 16,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.26 : 28,213.30 = 11,833.93 : x
  2. Step 2: Convert to fraction form
    20,446.26/28,213.30 = 11,833.93/x
  3. Step 3: Cross multiply
    20,446.26x = 28,213.30 × 11,833.93
  4. Step 4: Simplify right side
    20,446.26x = 333,874,217.27
  5. Step 5: Solve for x
    x = 333,874,217.27/20,446.26
  6. Step 6: Final answer
    x = 16,329.35

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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.