Home / 18,257.05-25,195.49-10,299.27

Finding the Fourth Proportional to 18,257.05, 25,195.49 and 10,299.27

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Solution

The fourth proportional to 18,257.05, 25,195.49 and 10,299.27 is: 14,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.05 : 25,195.49 = 10,299.27 : x
  2. Step 2: Convert to fraction form
    18,257.05/25,195.49 = 10,299.27/x
  3. Step 3: Cross multiply
    18,257.05x = 25,195.49 × 10,299.27
  4. Step 4: Simplify right side
    18,257.05x = 259,495,235.90
  5. Step 5: Solve for x
    x = 259,495,235.90/18,257.05
  6. Step 6: Final answer
    x = 14,213.43

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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.