Home / 22,310.78-33,467.27-7,319.40

Finding the Fourth Proportional to 22,310.78, 33,467.27 and 7,319.40

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Solution

The fourth proportional to 22,310.78, 33,467.27 and 7,319.40 is: 10,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.78 : 33,467.27 = 7,319.40 : x
  2. Step 2: Convert to fraction form
    22,310.78/33,467.27 = 7,319.40/x
  3. Step 3: Cross multiply
    22,310.78x = 33,467.27 × 7,319.40
  4. Step 4: Simplify right side
    22,310.78x = 244,960,299.44
  5. Step 5: Solve for x
    x = 244,960,299.44/22,310.78
  6. Step 6: Final answer
    x = 10,979.46

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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.