Home / 22,319.70-33,479.55-9,165.30

Finding the Fourth Proportional to 22,319.70, 33,479.55 and 9,165.30

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Solution

The fourth proportional to 22,319.70, 33,479.55 and 9,165.30 is: 13,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.70 : 33,479.55 = 9,165.30 : x
  2. Step 2: Convert to fraction form
    22,319.70/33,479.55 = 9,165.30/x
  3. Step 3: Cross multiply
    22,319.70x = 33,479.55 × 9,165.30
  4. Step 4: Simplify right side
    22,319.70x = 306,850,119.62
  5. Step 5: Solve for x
    x = 306,850,119.62/22,319.70
  6. Step 6: Final answer
    x = 13,747.95

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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.