Home / 9,139.80-13,713.36-3,594.54

Finding the Fourth Proportional to 9,139.80, 13,713.36 and 3,594.54

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Solution

The fourth proportional to 9,139.80, 13,713.36 and 3,594.54 is: 5,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.80 : 13,713.36 = 3,594.54 : x
  2. Step 2: Convert to fraction form
    9,139.80/13,713.36 = 3,594.54/x
  3. Step 3: Cross multiply
    9,139.80x = 13,713.36 × 3,594.54
  4. Step 4: Simplify right side
    9,139.80x = 49,293,221.05
  5. Step 5: Solve for x
    x = 49,293,221.05/9,139.80
  6. Step 6: Final answer
    x = 5,393.25

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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.