Home / 18,761.27-25,890.23-10,377.77

Finding the Fourth Proportional to 18,761.27, 25,890.23 and 10,377.77

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Solution

The fourth proportional to 18,761.27, 25,890.23 and 10,377.77 is: 14,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.27 : 25,890.23 = 10,377.77 : x
  2. Step 2: Convert to fraction form
    18,761.27/25,890.23 = 10,377.77/x
  3. Step 3: Cross multiply
    18,761.27x = 25,890.23 × 10,377.77
  4. Step 4: Simplify right side
    18,761.27x = 268,682,748.68
  5. Step 5: Solve for x
    x = 268,682,748.68/18,761.27
  6. Step 6: Final answer
    x = 14,321.14

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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.