Home / 22,239.72-33,359.49-8,918.67

Finding the Fourth Proportional to 22,239.72, 33,359.49 and 8,918.67

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Solution

The fourth proportional to 22,239.72, 33,359.49 and 8,918.67 is: 13,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.72 : 33,359.49 = 8,918.67 : x
  2. Step 2: Convert to fraction form
    22,239.72/33,359.49 = 8,918.67/x
  3. Step 3: Cross multiply
    22,239.72x = 33,359.49 × 8,918.67
  4. Step 4: Simplify right side
    22,239.72x = 297,522,282.68
  5. Step 5: Solve for x
    x = 297,522,282.68/22,239.72
  6. Step 6: Final answer
    x = 13,377.97

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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.