Home / 22,169.28-33,254.21-7,378.20

Finding the Fourth Proportional to 22,169.28, 33,254.21 and 7,378.20

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Solution

The fourth proportional to 22,169.28, 33,254.21 and 7,378.20 is: 11,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.28 : 33,254.21 = 7,378.20 : x
  2. Step 2: Convert to fraction form
    22,169.28/33,254.21 = 7,378.20/x
  3. Step 3: Cross multiply
    22,169.28x = 33,254.21 × 7,378.20
  4. Step 4: Simplify right side
    22,169.28x = 245,356,212.22
  5. Step 5: Solve for x
    x = 245,356,212.22/22,169.28
  6. Step 6: Final answer
    x = 11,067.40

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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.