Home / 18,150.29-25,057.33-10,981.43

Finding the Fourth Proportional to 18,150.29, 25,057.33 and 10,981.43

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Solution

The fourth proportional to 18,150.29, 25,057.33 and 10,981.43 is: 15,160.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.29 : 25,057.33 = 10,981.43 : x
  2. Step 2: Convert to fraction form
    18,150.29/25,057.33 = 10,981.43/x
  3. Step 3: Cross multiply
    18,150.29x = 25,057.33 × 10,981.43
  4. Step 4: Simplify right side
    18,150.29x = 275,165,197.83
  5. Step 5: Solve for x
    x = 275,165,197.83/18,150.29
  6. Step 6: Final answer
    x = 15,160.38

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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.