Home / 18,246.17-25,179.38-10,288.40

Finding the Fourth Proportional to 18,246.17, 25,179.38 and 10,288.40

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Solution

The fourth proportional to 18,246.17, 25,179.38 and 10,288.40 is: 14,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.17 : 25,179.38 = 10,288.40 : x
  2. Step 2: Convert to fraction form
    18,246.17/25,179.38 = 10,288.40/x
  3. Step 3: Cross multiply
    18,246.17x = 25,179.38 × 10,288.40
  4. Step 4: Simplify right side
    18,246.17x = 259,055,355.85
  5. Step 5: Solve for x
    x = 259,055,355.85/18,246.17
  6. Step 6: Final answer
    x = 14,197.80

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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.