Home / 10,578.48-15,874.86-5,651.64

Finding the Fourth Proportional to 10,578.48, 15,874.86 and 5,651.64

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Solution

The fourth proportional to 10,578.48, 15,874.86 and 5,651.64 is: 8,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.48 : 15,874.86 = 5,651.64 : x
  2. Step 2: Convert to fraction form
    10,578.48/15,874.86 = 5,651.64/x
  3. Step 3: Cross multiply
    10,578.48x = 15,874.86 × 5,651.64
  4. Step 4: Simplify right side
    10,578.48x = 89,718,993.77
  5. Step 5: Solve for x
    x = 89,718,993.77/10,578.48
  6. Step 6: Final answer
    x = 8,481.27

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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.