Home / 18,377.26-25,364.78-11,209.60

Finding the Fourth Proportional to 18,377.26, 25,364.78 and 11,209.60

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Solution

The fourth proportional to 18,377.26, 25,364.78 and 11,209.60 is: 15,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.26 : 25,364.78 = 11,209.60 : x
  2. Step 2: Convert to fraction form
    18,377.26/25,364.78 = 11,209.60/x
  3. Step 3: Cross multiply
    18,377.26x = 25,364.78 × 11,209.60
  4. Step 4: Simplify right side
    18,377.26x = 284,329,037.89
  5. Step 5: Solve for x
    x = 284,329,037.89/18,377.26
  6. Step 6: Final answer
    x = 15,471.79

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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.