Home / 18,826.75-25,981.46-10,443.79

Finding the Fourth Proportional to 18,826.75, 25,981.46 and 10,443.79

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Solution

The fourth proportional to 18,826.75, 25,981.46 and 10,443.79 is: 14,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.75 : 25,981.46 = 10,443.79 : x
  2. Step 2: Convert to fraction form
    18,826.75/25,981.46 = 10,443.79/x
  3. Step 3: Cross multiply
    18,826.75x = 25,981.46 × 10,443.79
  4. Step 4: Simplify right side
    18,826.75x = 271,344,912.13
  5. Step 5: Solve for x
    x = 271,344,912.13/18,826.75
  6. Step 6: Final answer
    x = 14,412.73

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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.