Home / 9,947.80-13,727.44-5,471.74

Finding the Fourth Proportional to 9,947.80, 13,727.44 and 5,471.74

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Solution

The fourth proportional to 9,947.80, 13,727.44 and 5,471.74 is: 7,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.80 : 13,727.44 = 5,471.74 : x
  2. Step 2: Convert to fraction form
    9,947.80/13,727.44 = 5,471.74/x
  3. Step 3: Cross multiply
    9,947.80x = 13,727.44 × 5,471.74
  4. Step 4: Simplify right side
    9,947.80x = 75,112,982.55
  5. Step 5: Solve for x
    x = 75,112,982.55/9,947.80
  6. Step 6: Final answer
    x = 7,550.71

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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.