Home / 18,622.97-25,696.81-11,066.49

Finding the Fourth Proportional to 18,622.97, 25,696.81 and 11,066.49

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Solution

The fourth proportional to 18,622.97, 25,696.81 and 11,066.49 is: 15,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.97 : 25,696.81 = 11,066.49 : x
  2. Step 2: Convert to fraction form
    18,622.97/25,696.81 = 11,066.49/x
  3. Step 3: Cross multiply
    18,622.97x = 25,696.81 × 11,066.49
  4. Step 4: Simplify right side
    18,622.97x = 284,373,490.90
  5. Step 5: Solve for x
    x = 284,373,490.90/18,622.97
  6. Step 6: Final answer
    x = 15,270.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.