Home / 22,351.76-30,845.95-12,280.83

Finding the Fourth Proportional to 22,351.76, 30,845.95 and 12,280.83

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Solution

The fourth proportional to 22,351.76, 30,845.95 and 12,280.83 is: 16,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.76 : 30,845.95 = 12,280.83 : x
  2. Step 2: Convert to fraction form
    22,351.76/30,845.95 = 12,280.83/x
  3. Step 3: Cross multiply
    22,351.76x = 30,845.95 × 12,280.83
  4. Step 4: Simplify right side
    22,351.76x = 378,813,868.14
  5. Step 5: Solve for x
    x = 378,813,868.14/22,351.76
  6. Step 6: Final answer
    x = 16,947.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.