Home / 22,434.74-33,630.68-8,390.96

Finding the Fourth Proportional to 22,434.74, 33,630.68 and 8,390.96

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Solution

The fourth proportional to 22,434.74, 33,630.68 and 8,390.96 is: 12,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,434.74 : 33,630.68 = 8,390.96 : x
  2. Step 2: Convert to fraction form
    22,434.74/33,630.68 = 8,390.96/x
  3. Step 3: Cross multiply
    22,434.74x = 33,630.68 × 8,390.96
  4. Step 4: Simplify right side
    22,434.74x = 282,193,690.65
  5. Step 5: Solve for x
    x = 282,193,690.65/22,434.74
  6. Step 6: Final answer
    x = 12,578.42

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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.