Home / 11,578.18-15,977.84-6,273.08

Finding the Fourth Proportional to 11,578.18, 15,977.84 and 6,273.08

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Solution

The fourth proportional to 11,578.18, 15,977.84 and 6,273.08 is: 8,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.18 : 15,977.84 = 6,273.08 : x
  2. Step 2: Convert to fraction form
    11,578.18/15,977.84 = 6,273.08/x
  3. Step 3: Cross multiply
    11,578.18x = 15,977.84 × 6,273.08
  4. Step 4: Simplify right side
    11,578.18x = 100,230,268.55
  5. Step 5: Solve for x
    x = 100,230,268.55/11,578.18
  6. Step 6: Final answer
    x = 8,656.82

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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.