Home / 22,219.97-33,329.93-7,428.87

Finding the Fourth Proportional to 22,219.97, 33,329.93 and 7,428.87

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Solution

The fourth proportional to 22,219.97, 33,329.93 and 7,428.87 is: 11,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.97 : 33,329.93 = 7,428.87 : x
  2. Step 2: Convert to fraction form
    22,219.97/33,329.93 = 7,428.87/x
  3. Step 3: Cross multiply
    22,219.97x = 33,329.93 × 7,428.87
  4. Step 4: Simplify right side
    22,219.97x = 247,603,679.93
  5. Step 5: Solve for x
    x = 247,603,679.93/22,219.97
  6. Step 6: Final answer
    x = 11,143.30

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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.