Home / 22,278.24-33,419.39-8,237.70

Finding the Fourth Proportional to 22,278.24, 33,419.39 and 8,237.70

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Solution

The fourth proportional to 22,278.24, 33,419.39 and 8,237.70 is: 12,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.24 : 33,419.39 = 8,237.70 : x
  2. Step 2: Convert to fraction form
    22,278.24/33,419.39 = 8,237.70/x
  3. Step 3: Cross multiply
    22,278.24x = 33,419.39 × 8,237.70
  4. Step 4: Simplify right side
    22,278.24x = 275,298,867.81
  5. Step 5: Solve for x
    x = 275,298,867.81/22,278.24
  6. Step 6: Final answer
    x = 12,357.30

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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.