Home / 22,748.97-31,393.65-13,190.73

Finding the Fourth Proportional to 22,748.97, 31,393.65 and 13,190.73

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Solution

The fourth proportional to 22,748.97, 31,393.65 and 13,190.73 is: 18,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.97 : 31,393.65 = 13,190.73 : x
  2. Step 2: Convert to fraction form
    22,748.97/31,393.65 = 13,190.73/x
  3. Step 3: Cross multiply
    22,748.97x = 31,393.65 × 13,190.73
  4. Step 4: Simplify right side
    22,748.97x = 414,105,160.86
  5. Step 5: Solve for x
    x = 414,105,160.86/22,748.97
  6. Step 6: Final answer
    x = 18,203.25

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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.