Home / 23,319.51-32,179.98-12,708.91

Finding the Fourth Proportional to 23,319.51, 32,179.98 and 12,708.91

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Solution

The fourth proportional to 23,319.51, 32,179.98 and 12,708.91 is: 17,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.51 : 32,179.98 = 12,708.91 : x
  2. Step 2: Convert to fraction form
    23,319.51/32,179.98 = 12,708.91/x
  3. Step 3: Cross multiply
    23,319.51x = 32,179.98 × 12,708.91
  4. Step 4: Simplify right side
    23,319.51x = 408,972,469.62
  5. Step 5: Solve for x
    x = 408,972,469.62/23,319.51
  6. Step 6: Final answer
    x = 17,537.78

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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.