Home / 9,539.54-13,163.36-5,559.65

Finding the Fourth Proportional to 9,539.54, 13,163.36 and 5,559.65

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Solution

The fourth proportional to 9,539.54, 13,163.36 and 5,559.65 is: 7,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.54 : 13,163.36 = 5,559.65 : x
  2. Step 2: Convert to fraction form
    9,539.54/13,163.36 = 5,559.65/x
  3. Step 3: Cross multiply
    9,539.54x = 13,163.36 × 5,559.65
  4. Step 4: Simplify right side
    9,539.54x = 73,183,735.49
  5. Step 5: Solve for x
    x = 73,183,735.49/9,539.54
  6. Step 6: Final answer
    x = 7,671.62

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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.