Home / 22,266.80-33,390.42-6,680.78

Finding the Fourth Proportional to 22,266.80, 33,390.42 and 6,680.78

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Solution

The fourth proportional to 22,266.80, 33,390.42 and 6,680.78 is: 10,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.80 : 33,390.42 = 6,680.78 : x
  2. Step 2: Convert to fraction form
    22,266.80/33,390.42 = 6,680.78/x
  3. Step 3: Cross multiply
    22,266.80x = 33,390.42 × 6,680.78
  4. Step 4: Simplify right side
    22,266.80x = 223,074,050.13
  5. Step 5: Solve for x
    x = 223,074,050.13/22,266.80
  6. Step 6: Final answer
    x = 10,018.24

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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.