Home / 22,005.80-33,008.70-11,508.20

Finding the Fourth Proportional to 22,005.80, 33,008.70 and 11,508.20

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Solution

The fourth proportional to 22,005.80, 33,008.70 and 11,508.20 is: 17,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.80 : 33,008.70 = 11,508.20 : x
  2. Step 2: Convert to fraction form
    22,005.80/33,008.70 = 11,508.20/x
  3. Step 3: Cross multiply
    22,005.80x = 33,008.70 × 11,508.20
  4. Step 4: Simplify right side
    22,005.80x = 379,870,721.34
  5. Step 5: Solve for x
    x = 379,870,721.34/22,005.80
  6. Step 6: Final answer
    x = 17,262.30

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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.