Home / 22,020.32-33,033.42-6,437.72

Finding the Fourth Proportional to 22,020.32, 33,033.42 and 6,437.72

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Solution

The fourth proportional to 22,020.32, 33,033.42 and 6,437.72 is: 9,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.32 : 33,033.42 = 6,437.72 : x
  2. Step 2: Convert to fraction form
    22,020.32/33,033.42 = 6,437.72/x
  3. Step 3: Cross multiply
    22,020.32x = 33,033.42 × 6,437.72
  4. Step 4: Simplify right side
    22,020.32x = 212,659,908.60
  5. Step 5: Solve for x
    x = 212,659,908.60/22,020.32
  6. Step 6: Final answer
    x = 9,657.44

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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.