Home / 18,972.39-26,190.86-17,173.24

Finding the Fourth Proportional to 18,972.39, 26,190.86 and 17,173.24

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Solution

The fourth proportional to 18,972.39, 26,190.86 and 17,173.24 is: 23,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.39 : 26,190.86 = 17,173.24 : x
  2. Step 2: Convert to fraction form
    18,972.39/26,190.86 = 17,173.24/x
  3. Step 3: Cross multiply
    18,972.39x = 26,190.86 × 17,173.24
  4. Step 4: Simplify right side
    18,972.39x = 449,781,924.59
  5. Step 5: Solve for x
    x = 449,781,924.59/18,972.39
  6. Step 6: Final answer
    x = 23,707.18

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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.