Home / 18,660.33-25,750.88-10,162.56

Finding the Fourth Proportional to 18,660.33, 25,750.88 and 10,162.56

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Solution

The fourth proportional to 18,660.33, 25,750.88 and 10,162.56 is: 14,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.33 : 25,750.88 = 10,162.56 : x
  2. Step 2: Convert to fraction form
    18,660.33/25,750.88 = 10,162.56/x
  3. Step 3: Cross multiply
    18,660.33x = 25,750.88 × 10,162.56
  4. Step 4: Simplify right side
    18,660.33x = 261,694,812.24
  5. Step 5: Solve for x
    x = 261,694,812.24/18,660.33
  6. Step 6: Final answer
    x = 14,024.13

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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.