Home / 13,972.83-20,961.99-4,612.47

Finding the Fourth Proportional to 13,972.83, 20,961.99 and 4,612.47

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Solution

The fourth proportional to 13,972.83, 20,961.99 and 4,612.47 is: 6,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.83 : 20,961.99 = 4,612.47 : x
  2. Step 2: Convert to fraction form
    13,972.83/20,961.99 = 4,612.47/x
  3. Step 3: Cross multiply
    13,972.83x = 20,961.99 × 4,612.47
  4. Step 4: Simplify right side
    13,972.83x = 96,686,550.02
  5. Step 5: Solve for x
    x = 96,686,550.02/13,972.83
  6. Step 6: Final answer
    x = 6,919.61

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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.