Home / 11,969.16-16,517.16-6,663.87

Finding the Fourth Proportional to 11,969.16, 16,517.16 and 6,663.87

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Solution

The fourth proportional to 11,969.16, 16,517.16 and 6,663.87 is: 9,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.16 : 16,517.16 = 6,663.87 : x
  2. Step 2: Convert to fraction form
    11,969.16/16,517.16 = 6,663.87/x
  3. Step 3: Cross multiply
    11,969.16x = 16,517.16 × 6,663.87
  4. Step 4: Simplify right side
    11,969.16x = 110,068,207.01
  5. Step 5: Solve for x
    x = 110,068,207.01/11,969.16
  6. Step 6: Final answer
    x = 9,195.98

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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.