Home / 22,176.40-33,288.90-13,865.80

Finding the Fourth Proportional to 22,176.40, 33,288.90 and 13,865.80

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Solution

The fourth proportional to 22,176.40, 33,288.90 and 13,865.80 is: 20,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.40 : 33,288.90 = 13,865.80 : x
  2. Step 2: Convert to fraction form
    22,176.40/33,288.90 = 13,865.80/x
  3. Step 3: Cross multiply
    22,176.40x = 33,288.90 × 13,865.80
  4. Step 4: Simplify right side
    22,176.40x = 461,577,229.62
  5. Step 5: Solve for x
    x = 461,577,229.62/22,176.40
  6. Step 6: Final answer
    x = 20,813.89

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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.