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Finding the Fourth Proportional to 18,038.12, 27,057.17 and 6,950.03

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Solution

The fourth proportional to 18,038.12, 27,057.17 and 6,950.03 is: 10,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.12 : 27,057.17 = 6,950.03 : x
  2. Step 2: Convert to fraction form
    18,038.12/27,057.17 = 6,950.03/x
  3. Step 3: Cross multiply
    18,038.12x = 27,057.17 × 6,950.03
  4. Step 4: Simplify right side
    18,038.12x = 188,048,025.30
  5. Step 5: Solve for x
    x = 188,048,025.30/18,038.12
  6. Step 6: Final answer
    x = 10,425.04

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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.