Home / 18,147.05-27,219.81-5,666.98

Finding the Fourth Proportional to 18,147.05, 27,219.81 and 5,666.98

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Solution

The fourth proportional to 18,147.05, 27,219.81 and 5,666.98 is: 8,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.05 : 27,219.81 = 5,666.98 : x
  2. Step 2: Convert to fraction form
    18,147.05/27,219.81 = 5,666.98/x
  3. Step 3: Cross multiply
    18,147.05x = 27,219.81 × 5,666.98
  4. Step 4: Simplify right side
    18,147.05x = 154,253,982.77
  5. Step 5: Solve for x
    x = 154,253,982.77/18,147.05
  6. Step 6: Final answer
    x = 8,500.22

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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.