Home / 10,658.98-15,986.23-2,867.86

Finding the Fourth Proportional to 10,658.98, 15,986.23 and 2,867.86

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Solution

The fourth proportional to 10,658.98, 15,986.23 and 2,867.86 is: 4,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.98 : 15,986.23 = 2,867.86 : x
  2. Step 2: Convert to fraction form
    10,658.98/15,986.23 = 2,867.86/x
  3. Step 3: Cross multiply
    10,658.98x = 15,986.23 × 2,867.86
  4. Step 4: Simplify right side
    10,658.98x = 45,846,269.57
  5. Step 5: Solve for x
    x = 45,846,269.57/10,658.98
  6. Step 6: Final answer
    x = 4,301.19

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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.