Home / 11,908.19-16,434.50-6,604.02

Finding the Fourth Proportional to 11,908.19, 16,434.50 and 6,604.02

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Solution

The fourth proportional to 11,908.19, 16,434.50 and 6,604.02 is: 9,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.19 : 16,434.50 = 6,604.02 : x
  2. Step 2: Convert to fraction form
    11,908.19/16,434.50 = 6,604.02/x
  3. Step 3: Cross multiply
    11,908.19x = 16,434.50 × 6,604.02
  4. Step 4: Simplify right side
    11,908.19x = 108,533,766.69
  5. Step 5: Solve for x
    x = 108,533,766.69/11,908.19
  6. Step 6: Final answer
    x = 9,114.21

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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.