Home / 18,246.49-25,180.12-10,288.66

Finding the Fourth Proportional to 18,246.49, 25,180.12 and 10,288.66

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Solution

The fourth proportional to 18,246.49, 25,180.12 and 10,288.66 is: 14,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.49 : 25,180.12 = 10,288.66 : x
  2. Step 2: Convert to fraction form
    18,246.49/25,180.12 = 10,288.66/x
  3. Step 3: Cross multiply
    18,246.49x = 25,180.12 × 10,288.66
  4. Step 4: Simplify right side
    18,246.49x = 259,069,597.28
  5. Step 5: Solve for x
    x = 259,069,597.28/18,246.49
  6. Step 6: Final answer
    x = 14,198.32

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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.