Home / 22,212.61-33,324.15-7,219.68

Finding the Fourth Proportional to 22,212.61, 33,324.15 and 7,219.68

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Solution

The fourth proportional to 22,212.61, 33,324.15 and 7,219.68 is: 10,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.61 : 33,324.15 = 7,219.68 : x
  2. Step 2: Convert to fraction form
    22,212.61/33,324.15 = 7,219.68/x
  3. Step 3: Cross multiply
    22,212.61x = 33,324.15 × 7,219.68
  4. Step 4: Simplify right side
    22,212.61x = 240,589,699.27
  5. Step 5: Solve for x
    x = 240,589,699.27/22,212.61
  6. Step 6: Final answer
    x = 10,831.22

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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.