Home / 22,212.96-33,323.28-7,420.32

Finding the Fourth Proportional to 22,212.96, 33,323.28 and 7,420.32

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Solution

The fourth proportional to 22,212.96, 33,323.28 and 7,420.32 is: 11,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.96 : 33,323.28 = 7,420.32 : x
  2. Step 2: Convert to fraction form
    22,212.96/33,323.28 = 7,420.32/x
  3. Step 3: Cross multiply
    22,212.96x = 33,323.28 × 7,420.32
  4. Step 4: Simplify right side
    22,212.96x = 247,269,401.05
  5. Step 5: Solve for x
    x = 247,269,401.05/22,212.96
  6. Step 6: Final answer
    x = 11,131.76

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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.