Home / 10,348.80-15,521.67-3,773.45

Finding the Fourth Proportional to 10,348.80, 15,521.67 and 3,773.45

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Solution

The fourth proportional to 10,348.80, 15,521.67 and 3,773.45 is: 5,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.80 : 15,521.67 = 3,773.45 : x
  2. Step 2: Convert to fraction form
    10,348.80/15,521.67 = 3,773.45/x
  3. Step 3: Cross multiply
    10,348.80x = 15,521.67 × 3,773.45
  4. Step 4: Simplify right side
    10,348.80x = 58,570,168.05
  5. Step 5: Solve for x
    x = 58,570,168.05/10,348.80
  6. Step 6: Final answer
    x = 5,659.61

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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.