Home / 22,216.40-33,324.56-7,421.92

Finding the Fourth Proportional to 22,216.40, 33,324.56 and 7,421.92

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Solution

The fourth proportional to 22,216.40, 33,324.56 and 7,421.92 is: 11,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,216.40 : 33,324.56 = 7,421.92 : x
  2. Step 2: Convert to fraction form
    22,216.40/33,324.56 = 7,421.92/x
  3. Step 3: Cross multiply
    22,216.40x = 33,324.56 × 7,421.92
  4. Step 4: Simplify right side
    22,216.40x = 247,332,218.36
  5. Step 5: Solve for x
    x = 247,332,218.36/22,216.40
  6. Step 6: Final answer
    x = 11,132.87

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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.