Home / 11,744.30-16,208.16-6,440.15

Finding the Fourth Proportional to 11,744.30, 16,208.16 and 6,440.15

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Solution

The fourth proportional to 11,744.30, 16,208.16 and 6,440.15 is: 8,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,744.30 : 16,208.16 = 6,440.15 : x
  2. Step 2: Convert to fraction form
    11,744.30/16,208.16 = 6,440.15/x
  3. Step 3: Cross multiply
    11,744.30x = 16,208.16 × 6,440.15
  4. Step 4: Simplify right side
    11,744.30x = 104,382,981.62
  5. Step 5: Solve for x
    x = 104,382,981.62/11,744.30
  6. Step 6: Final answer
    x = 8,887.97

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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.