Home / 10,183.87-15,243.27-6,645.58

Finding the Fourth Proportional to 10,183.87, 15,243.27 and 6,645.58

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Solution

The fourth proportional to 10,183.87, 15,243.27 and 6,645.58 is: 9,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.87 : 15,243.27 = 6,645.58 : x
  2. Step 2: Convert to fraction form
    10,183.87/15,243.27 = 6,645.58/x
  3. Step 3: Cross multiply
    10,183.87x = 15,243.27 × 6,645.58
  4. Step 4: Simplify right side
    10,183.87x = 101,300,370.25
  5. Step 5: Solve for x
    x = 101,300,370.25/10,183.87
  6. Step 6: Final answer
    x = 9,947.14

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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.