Home / 17,180.93-23,721.10-13,194.92

Finding the Fourth Proportional to 17,180.93, 23,721.10 and 13,194.92

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Solution

The fourth proportional to 17,180.93, 23,721.10 and 13,194.92 is: 18,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.93 : 23,721.10 = 13,194.92 : x
  2. Step 2: Convert to fraction form
    17,180.93/23,721.10 = 13,194.92/x
  3. Step 3: Cross multiply
    17,180.93x = 23,721.10 × 13,194.92
  4. Step 4: Simplify right side
    17,180.93x = 312,997,865.22
  5. Step 5: Solve for x
    x = 312,997,865.22/17,180.93
  6. Step 6: Final answer
    x = 18,217.75

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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.