Home / 12,947.77-19,422.77-5,550.48

Finding the Fourth Proportional to 12,947.77, 19,422.77 and 5,550.48

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Solution

The fourth proportional to 12,947.77, 19,422.77 and 5,550.48 is: 8,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.77 : 19,422.77 = 5,550.48 : x
  2. Step 2: Convert to fraction form
    12,947.77/19,422.77 = 5,550.48/x
  3. Step 3: Cross multiply
    12,947.77x = 19,422.77 × 5,550.48
  4. Step 4: Simplify right side
    12,947.77x = 107,805,696.43
  5. Step 5: Solve for x
    x = 107,805,696.43/12,947.77
  6. Step 6: Final answer
    x = 8,326.20

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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.