Home / 18,247.43-27,371.15-5,099.81

Finding the Fourth Proportional to 18,247.43, 27,371.15 and 5,099.81

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Solution

The fourth proportional to 18,247.43, 27,371.15 and 5,099.81 is: 7,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.43 : 27,371.15 = 5,099.81 : x
  2. Step 2: Convert to fraction form
    18,247.43/27,371.15 = 5,099.81/x
  3. Step 3: Cross multiply
    18,247.43x = 27,371.15 × 5,099.81
  4. Step 4: Simplify right side
    18,247.43x = 139,587,502.13
  5. Step 5: Solve for x
    x = 139,587,502.13/18,247.43
  6. Step 6: Final answer
    x = 7,649.71

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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.