Home / 10,393.08-15,589.66-2,601.90

Finding the Fourth Proportional to 10,393.08, 15,589.66 and 2,601.90

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Solution

The fourth proportional to 10,393.08, 15,589.66 and 2,601.90 is: 3,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.08 : 15,589.66 = 2,601.90 : x
  2. Step 2: Convert to fraction form
    10,393.08/15,589.66 = 2,601.90/x
  3. Step 3: Cross multiply
    10,393.08x = 15,589.66 × 2,601.90
  4. Step 4: Simplify right side
    10,393.08x = 40,562,736.35
  5. Step 5: Solve for x
    x = 40,562,736.35/10,393.08
  6. Step 6: Final answer
    x = 3,902.86

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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.