Home / 11,669.92-17,505.89-5,006.72

Finding the Fourth Proportional to 11,669.92, 17,505.89 and 5,006.72

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Solution

The fourth proportional to 11,669.92, 17,505.89 and 5,006.72 is: 7,510.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.92 : 17,505.89 = 5,006.72 : x
  2. Step 2: Convert to fraction form
    11,669.92/17,505.89 = 5,006.72/x
  3. Step 3: Cross multiply
    11,669.92x = 17,505.89 × 5,006.72
  4. Step 4: Simplify right side
    11,669.92x = 87,647,089.58
  5. Step 5: Solve for x
    x = 87,647,089.58/11,669.92
  6. Step 6: Final answer
    x = 7,510.51

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1.5x scale

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.