Home / 22,081.40-33,102.72-8,763.80

Finding the Fourth Proportional to 22,081.40, 33,102.72 and 8,763.80

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Solution

The fourth proportional to 22,081.40, 33,102.72 and 8,763.80 is: 13,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,081.40 : 33,102.72 = 8,763.80 : x
  2. Step 2: Convert to fraction form
    22,081.40/33,102.72 = 8,763.80/x
  3. Step 3: Cross multiply
    22,081.40x = 33,102.72 × 8,763.80
  4. Step 4: Simplify right side
    22,081.40x = 290,105,559.73
  5. Step 5: Solve for x
    x = 290,105,559.73/22,081.40
  6. Step 6: Final answer
    x = 13,138.00

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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.