Home / 10,578.13-15,867.60-3,183.64

Finding the Fourth Proportional to 10,578.13, 15,867.60 and 3,183.64

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Solution

The fourth proportional to 10,578.13, 15,867.60 and 3,183.64 is: 4,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.13 : 15,867.60 = 3,183.64 : x
  2. Step 2: Convert to fraction form
    10,578.13/15,867.60 = 3,183.64/x
  3. Step 3: Cross multiply
    10,578.13x = 15,867.60 × 3,183.64
  4. Step 4: Simplify right side
    10,578.13x = 50,516,674.46
  5. Step 5: Solve for x
    x = 50,516,674.46/10,578.13
  6. Step 6: Final answer
    x = 4,775.58

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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.