Home / 18,203.43-25,117.38-10,243.97

Finding the Fourth Proportional to 18,203.43, 25,117.38 and 10,243.97

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Solution

The fourth proportional to 18,203.43, 25,117.38 and 10,243.97 is: 14,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.43 : 25,117.38 = 10,243.97 : x
  2. Step 2: Convert to fraction form
    18,203.43/25,117.38 = 10,243.97/x
  3. Step 3: Cross multiply
    18,203.43x = 25,117.38 × 10,243.97
  4. Step 4: Simplify right side
    18,203.43x = 257,301,561.61
  5. Step 5: Solve for x
    x = 257,301,561.61/18,203.43
  6. Step 6: Final answer
    x = 14,134.78

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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.