Home / 18,278.97-25,224.76-10,321.53

Finding the Fourth Proportional to 18,278.97, 25,224.76 and 10,321.53

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Solution

The fourth proportional to 18,278.97, 25,224.76 and 10,321.53 is: 14,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.97 : 25,224.76 = 10,321.53 : x
  2. Step 2: Convert to fraction form
    18,278.97/25,224.76 = 10,321.53/x
  3. Step 3: Cross multiply
    18,278.97x = 25,224.76 × 10,321.53
  4. Step 4: Simplify right side
    18,278.97x = 260,358,035.39
  5. Step 5: Solve for x
    x = 260,358,035.39/18,278.97
  6. Step 6: Final answer
    x = 14,243.59

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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.