Home / 11,744.06-16,207.82-6,439.91

Finding the Fourth Proportional to 11,744.06, 16,207.82 and 6,439.91

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Solution

The fourth proportional to 11,744.06, 16,207.82 and 6,439.91 is: 8,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.06 : 16,207.82 = 6,439.91 : x
  2. Step 2: Convert to fraction form
    11,744.06/16,207.82 = 6,439.91/x
  3. Step 3: Cross multiply
    11,744.06x = 16,207.82 × 6,439.91
  4. Step 4: Simplify right side
    11,744.06x = 104,376,788.86
  5. Step 5: Solve for x
    x = 104,376,788.86/11,744.06
  6. Step 6: Final answer
    x = 8,887.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.