Home / 18,198.42-25,113.82-10,240.70

Finding the Fourth Proportional to 18,198.42, 25,113.82 and 10,240.70

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Solution

The fourth proportional to 18,198.42, 25,113.82 and 10,240.70 is: 14,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.42 : 25,113.82 = 10,240.70 : x
  2. Step 2: Convert to fraction form
    18,198.42/25,113.82 = 10,240.70/x
  3. Step 3: Cross multiply
    18,198.42x = 25,113.82 × 10,240.70
  4. Step 4: Simplify right side
    18,198.42x = 257,183,205.20
  5. Step 5: Solve for x
    x = 257,183,205.20/18,198.42
  6. Step 6: Final answer
    x = 14,132.17

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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.