Home / 11,578.14-15,977.67-6,542.28

Finding the Fourth Proportional to 11,578.14, 15,977.67 and 6,542.28

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Solution

The fourth proportional to 11,578.14, 15,977.67 and 6,542.28 is: 9,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.14 : 15,977.67 = 6,542.28 : x
  2. Step 2: Convert to fraction form
    11,578.14/15,977.67 = 6,542.28/x
  3. Step 3: Cross multiply
    11,578.14x = 15,977.67 × 6,542.28
  4. Step 4: Simplify right side
    11,578.14x = 104,530,390.89
  5. Step 5: Solve for x
    x = 104,530,390.89/11,578.14
  6. Step 6: Final answer
    x = 9,028.25

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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.