Home / 13,943.15-20,917.32-4,585.87

Finding the Fourth Proportional to 13,943.15, 20,917.32 and 4,585.87

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Solution

The fourth proportional to 13,943.15, 20,917.32 and 4,585.87 is: 6,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.15 : 20,917.32 = 4,585.87 : x
  2. Step 2: Convert to fraction form
    13,943.15/20,917.32 = 4,585.87/x
  3. Step 3: Cross multiply
    13,943.15x = 20,917.32 × 4,585.87
  4. Step 4: Simplify right side
    13,943.15x = 95,924,110.27
  5. Step 5: Solve for x
    x = 95,924,110.27/13,943.15
  6. Step 6: Final answer
    x = 6,879.66

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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.