Home / 12,843.45-19,264.91-5,917.95

Finding the Fourth Proportional to 12,843.45, 19,264.91 and 5,917.95

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Solution

The fourth proportional to 12,843.45, 19,264.91 and 5,917.95 is: 8,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.45 : 19,264.91 = 5,917.95 : x
  2. Step 2: Convert to fraction form
    12,843.45/19,264.91 = 5,917.95/x
  3. Step 3: Cross multiply
    12,843.45x = 19,264.91 × 5,917.95
  4. Step 4: Simplify right side
    12,843.45x = 114,008,744.54
  5. Step 5: Solve for x
    x = 114,008,744.54/12,843.45
  6. Step 6: Final answer
    x = 8,876.80

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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.