Home / 20,247.24-30,371.07-7,099.93

Finding the Fourth Proportional to 20,247.24, 30,371.07 and 7,099.93

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Solution

The fourth proportional to 20,247.24, 30,371.07 and 7,099.93 is: 10,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.24 : 30,371.07 = 7,099.93 : x
  2. Step 2: Convert to fraction form
    20,247.24/30,371.07 = 7,099.93/x
  3. Step 3: Cross multiply
    20,247.24x = 30,371.07 × 7,099.93
  4. Step 4: Simplify right side
    20,247.24x = 215,632,453.28
  5. Step 5: Solve for x
    x = 215,632,453.28/20,247.24
  6. Step 6: Final answer
    x = 10,649.97

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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.