Home / 18,376.20-25,358.67-10,418.76

Finding the Fourth Proportional to 18,376.20, 25,358.67 and 10,418.76

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Solution

The fourth proportional to 18,376.20, 25,358.67 and 10,418.76 is: 14,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.20 : 25,358.67 = 10,418.76 : x
  2. Step 2: Convert to fraction form
    18,376.20/25,358.67 = 10,418.76/x
  3. Step 3: Cross multiply
    18,376.20x = 25,358.67 × 10,418.76
  4. Step 4: Simplify right side
    18,376.20x = 264,205,896.65
  5. Step 5: Solve for x
    x = 264,205,896.65/18,376.20
  6. Step 6: Final answer
    x = 14,377.61

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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.