Home / 22,219.82-33,331.51-7,428.82

Finding the Fourth Proportional to 22,219.82, 33,331.51 and 7,428.82

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Solution

The fourth proportional to 22,219.82, 33,331.51 and 7,428.82 is: 11,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.82 : 33,331.51 = 7,428.82 : x
  2. Step 2: Convert to fraction form
    22,219.82/33,331.51 = 7,428.82/x
  3. Step 3: Cross multiply
    22,219.82x = 33,331.51 × 7,428.82
  4. Step 4: Simplify right side
    22,219.82x = 247,613,672.29
  5. Step 5: Solve for x
    x = 247,613,672.29/22,219.82
  6. Step 6: Final answer
    x = 11,143.82

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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.