Home / 22,203.81-33,318.32-8,162.01

Finding the Fourth Proportional to 22,203.81, 33,318.32 and 8,162.01

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Solution

The fourth proportional to 22,203.81, 33,318.32 and 8,162.01 is: 12,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.81 : 33,318.32 = 8,162.01 : x
  2. Step 2: Convert to fraction form
    22,203.81/33,318.32 = 8,162.01/x
  3. Step 3: Cross multiply
    22,203.81x = 33,318.32 × 8,162.01
  4. Step 4: Simplify right side
    22,203.81x = 271,944,420.21
  5. Step 5: Solve for x
    x = 271,944,420.21/22,203.81
  6. Step 6: Final answer
    x = 12,247.65

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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.