Home / 11,642.94-17,379.87-10,775.61

Finding the Fourth Proportional to 11,642.94, 17,379.87 and 10,775.61

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Solution

The fourth proportional to 11,642.94, 17,379.87 and 10,775.61 is: 16,085.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.94 : 17,379.87 = 10,775.61 : x
  2. Step 2: Convert to fraction form
    11,642.94/17,379.87 = 10,775.61/x
  3. Step 3: Cross multiply
    11,642.94x = 17,379.87 × 10,775.61
  4. Step 4: Simplify right side
    11,642.94x = 187,278,700.97
  5. Step 5: Solve for x
    x = 187,278,700.97/11,642.94
  6. Step 6: Final answer
    x = 16,085.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.