Home / 23,920.78-33,010.92-13,166.86

Finding the Fourth Proportional to 23,920.78, 33,010.92 and 13,166.86

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Solution

The fourth proportional to 23,920.78, 33,010.92 and 13,166.86 is: 18,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.78 : 33,010.92 = 13,166.86 : x
  2. Step 2: Convert to fraction form
    23,920.78/33,010.92 = 13,166.86/x
  3. Step 3: Cross multiply
    23,920.78x = 33,010.92 × 13,166.86
  4. Step 4: Simplify right side
    23,920.78x = 434,650,162.11
  5. Step 5: Solve for x
    x = 434,650,162.11/23,920.78
  6. Step 6: Final answer
    x = 18,170.40

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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.