Home / 18,622.11-27,927.17-6,139.23

Finding the Fourth Proportional to 18,622.11, 27,927.17 and 6,139.23

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Solution

The fourth proportional to 18,622.11, 27,927.17 and 6,139.23 is: 9,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.11 : 27,927.17 = 6,139.23 : x
  2. Step 2: Convert to fraction form
    18,622.11/27,927.17 = 6,139.23/x
  3. Step 3: Cross multiply
    18,622.11x = 27,927.17 × 6,139.23
  4. Step 4: Simplify right side
    18,622.11x = 171,451,289.18
  5. Step 5: Solve for x
    x = 171,451,289.18/18,622.11
  6. Step 6: Final answer
    x = 9,206.87

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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.