Home / 22,711.22-34,072.31-7,128.84

Finding the Fourth Proportional to 22,711.22, 34,072.31 and 7,128.84

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Solution

The fourth proportional to 22,711.22, 34,072.31 and 7,128.84 is: 10,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.22 : 34,072.31 = 7,128.84 : x
  2. Step 2: Convert to fraction form
    22,711.22/34,072.31 = 7,128.84/x
  3. Step 3: Cross multiply
    22,711.22x = 34,072.31 × 7,128.84
  4. Step 4: Simplify right side
    22,711.22x = 242,896,192.01
  5. Step 5: Solve for x
    x = 242,896,192.01/22,711.22
  6. Step 6: Final answer
    x = 10,694.99

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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.