Home / 18,420.68-27,626.23-5,269.97

Finding the Fourth Proportional to 18,420.68, 27,626.23 and 5,269.97

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Solution

The fourth proportional to 18,420.68, 27,626.23 and 5,269.97 is: 7,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.68 : 27,626.23 = 5,269.97 : x
  2. Step 2: Convert to fraction form
    18,420.68/27,626.23 = 5,269.97/x
  3. Step 3: Cross multiply
    18,420.68x = 27,626.23 × 5,269.97
  4. Step 4: Simplify right side
    18,420.68x = 145,589,478.97
  5. Step 5: Solve for x
    x = 145,589,478.97/18,420.68
  6. Step 6: Final answer
    x = 7,903.59

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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.