Home / 18,401.05-27,601.39-7,862.10

Finding the Fourth Proportional to 18,401.05, 27,601.39 and 7,862.10

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Solution

The fourth proportional to 18,401.05, 27,601.39 and 7,862.10 is: 11,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.05 : 27,601.39 = 7,862.10 : x
  2. Step 2: Convert to fraction form
    18,401.05/27,601.39 = 7,862.10/x
  3. Step 3: Cross multiply
    18,401.05x = 27,601.39 × 7,862.10
  4. Step 4: Simplify right side
    18,401.05x = 217,004,888.32
  5. Step 5: Solve for x
    x = 217,004,888.32/18,401.05
  6. Step 6: Final answer
    x = 11,793.07

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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.