Home / 11,329.71-17,005.70-7,436.85

Finding the Fourth Proportional to 11,329.71, 17,005.70 and 7,436.85

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Solution

The fourth proportional to 11,329.71, 17,005.70 and 7,436.85 is: 11,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.71 : 17,005.70 = 7,436.85 : x
  2. Step 2: Convert to fraction form
    11,329.71/17,005.70 = 7,436.85/x
  3. Step 3: Cross multiply
    11,329.71x = 17,005.70 × 7,436.85
  4. Step 4: Simplify right side
    11,329.71x = 126,468,840.05
  5. Step 5: Solve for x
    x = 126,468,840.05/11,329.71
  6. Step 6: Final answer
    x = 11,162.58

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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.