Home / 10,256.44-15,371.52-5,578.60

Finding the Fourth Proportional to 10,256.44, 15,371.52 and 5,578.60

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Solution

The fourth proportional to 10,256.44, 15,371.52 and 5,578.60 is: 8,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.44 : 15,371.52 = 5,578.60 : x
  2. Step 2: Convert to fraction form
    10,256.44/15,371.52 = 5,578.60/x
  3. Step 3: Cross multiply
    10,256.44x = 15,371.52 × 5,578.60
  4. Step 4: Simplify right side
    10,256.44x = 85,751,561.47
  5. Step 5: Solve for x
    x = 85,751,561.47/10,256.44
  6. Step 6: Final answer
    x = 8,360.75

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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.