Home / 14,766.21-22,138.38-8,921.48

Finding the Fourth Proportional to 14,766.21, 22,138.38 and 8,921.48

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Solution

The fourth proportional to 14,766.21, 22,138.38 and 8,921.48 is: 13,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.21 : 22,138.38 = 8,921.48 : x
  2. Step 2: Convert to fraction form
    14,766.21/22,138.38 = 8,921.48/x
  3. Step 3: Cross multiply
    14,766.21x = 22,138.38 × 8,921.48
  4. Step 4: Simplify right side
    14,766.21x = 197,507,003.71
  5. Step 5: Solve for x
    x = 197,507,003.71/14,766.21
  6. Step 6: Final answer
    x = 13,375.61

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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.