Home / 16,282.19-22,470.63-9,112.82

Finding the Fourth Proportional to 16,282.19, 22,470.63 and 9,112.82

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Solution

The fourth proportional to 16,282.19, 22,470.63 and 9,112.82 is: 12,576.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,282.19 : 22,470.63 = 9,112.82 : x
  2. Step 2: Convert to fraction form
    16,282.19/22,470.63 = 9,112.82/x
  3. Step 3: Cross multiply
    16,282.19x = 22,470.63 × 9,112.82
  4. Step 4: Simplify right side
    16,282.19x = 204,770,839.87
  5. Step 5: Solve for x
    x = 204,770,839.87/16,282.19
  6. Step 6: Final answer
    x = 12,576.37

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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.