Home / 22,321.13-33,480.61-8,283.89

Finding the Fourth Proportional to 22,321.13, 33,480.61 and 8,283.89

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Solution

The fourth proportional to 22,321.13, 33,480.61 and 8,283.89 is: 12,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.13 : 33,480.61 = 8,283.89 : x
  2. Step 2: Convert to fraction form
    22,321.13/33,480.61 = 8,283.89/x
  3. Step 3: Cross multiply
    22,321.13x = 33,480.61 × 8,283.89
  4. Step 4: Simplify right side
    22,321.13x = 277,349,774.07
  5. Step 5: Solve for x
    x = 277,349,774.07/22,321.13
  6. Step 6: Final answer
    x = 12,425.44

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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.