Home / 18,066.79-27,100.38-6,371.80

Finding the Fourth Proportional to 18,066.79, 27,100.38 and 6,371.80

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Solution

The fourth proportional to 18,066.79, 27,100.38 and 6,371.80 is: 9,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.79 : 27,100.38 = 6,371.80 : x
  2. Step 2: Convert to fraction form
    18,066.79/27,100.38 = 6,371.80/x
  3. Step 3: Cross multiply
    18,066.79x = 27,100.38 × 6,371.80
  4. Step 4: Simplify right side
    18,066.79x = 172,678,201.28
  5. Step 5: Solve for x
    x = 172,678,201.28/18,066.79
  6. Step 6: Final answer
    x = 9,557.77

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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.