Home / 14,189.80-21,286.07-4,826.71

Finding the Fourth Proportional to 14,189.80, 21,286.07 and 4,826.71

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Solution

The fourth proportional to 14,189.80, 21,286.07 and 4,826.71 is: 7,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,189.80 : 21,286.07 = 4,826.71 : x
  2. Step 2: Convert to fraction form
    14,189.80/21,286.07 = 4,826.71/x
  3. Step 3: Cross multiply
    14,189.80x = 21,286.07 × 4,826.71
  4. Step 4: Simplify right side
    14,189.80x = 102,741,686.93
  5. Step 5: Solve for x
    x = 102,741,686.93/14,189.80
  6. Step 6: Final answer
    x = 7,240.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.