Home / 22,122.64-33,187.20-8,083.36

Finding the Fourth Proportional to 22,122.64, 33,187.20 and 8,083.36

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Solution

The fourth proportional to 22,122.64, 33,187.20 and 8,083.36 is: 12,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122.64 : 33,187.20 = 8,083.36 : x
  2. Step 2: Convert to fraction form
    22,122.64/33,187.20 = 8,083.36/x
  3. Step 3: Cross multiply
    22,122.64x = 33,187.20 × 8,083.36
  4. Step 4: Simplify right side
    22,122.64x = 268,264,084.99
  5. Step 5: Solve for x
    x = 268,264,084.99/22,122.64
  6. Step 6: Final answer
    x = 12,126.22

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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.