Home / 15,168.93-22,755.87-4,778.25

Finding the Fourth Proportional to 15,168.93, 22,755.87 and 4,778.25

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Solution

The fourth proportional to 15,168.93, 22,755.87 and 4,778.25 is: 7,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.93 : 22,755.87 = 4,778.25 : x
  2. Step 2: Convert to fraction form
    15,168.93/22,755.87 = 4,778.25/x
  3. Step 3: Cross multiply
    15,168.93x = 22,755.87 × 4,778.25
  4. Step 4: Simplify right side
    15,168.93x = 108,733,235.83
  5. Step 5: Solve for x
    x = 108,733,235.83/15,168.93
  6. Step 6: Final answer
    x = 7,168.15

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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.