Home / 22,278.32-33,395.52-12,422.24

Finding the Fourth Proportional to 22,278.32, 33,395.52 and 12,422.24

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Solution

The fourth proportional to 22,278.32, 33,395.52 and 12,422.24 is: 18,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.32 : 33,395.52 = 12,422.24 : x
  2. Step 2: Convert to fraction form
    22,278.32/33,395.52 = 12,422.24/x
  3. Step 3: Cross multiply
    22,278.32x = 33,395.52 × 12,422.24
  4. Step 4: Simplify right side
    22,278.32x = 414,847,164.36
  5. Step 5: Solve for x
    x = 414,847,164.36/22,278.32
  6. Step 6: Final answer
    x = 18,621.12

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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.