Home / 18,424.68-27,633.18-5,273.48

Finding the Fourth Proportional to 18,424.68, 27,633.18 and 5,273.48

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Solution

The fourth proportional to 18,424.68, 27,633.18 and 5,273.48 is: 7,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.68 : 27,633.18 = 5,273.48 : x
  2. Step 2: Convert to fraction form
    18,424.68/27,633.18 = 5,273.48/x
  3. Step 3: Cross multiply
    18,424.68x = 27,633.18 × 5,273.48
  4. Step 4: Simplify right side
    18,424.68x = 145,723,022.07
  5. Step 5: Solve for x
    x = 145,723,022.07/18,424.68
  6. Step 6: Final answer
    x = 7,909.12

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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.