Home / 18,159.36-25,061.73-12,203.43

Finding the Fourth Proportional to 18,159.36, 25,061.73 and 12,203.43

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Solution

The fourth proportional to 18,159.36, 25,061.73 and 12,203.43 is: 16,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.36 : 25,061.73 = 12,203.43 : x
  2. Step 2: Convert to fraction form
    18,159.36/25,061.73 = 12,203.43/x
  3. Step 3: Cross multiply
    18,159.36x = 25,061.73 × 12,203.43
  4. Step 4: Simplify right side
    18,159.36x = 305,839,067.73
  5. Step 5: Solve for x
    x = 305,839,067.73/18,159.36
  6. Step 6: Final answer
    x = 16,841.95

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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.