Home / 11,895.31-16,415.52-6,517.75

Finding the Fourth Proportional to 11,895.31, 16,415.52 and 6,517.75

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Solution

The fourth proportional to 11,895.31, 16,415.52 and 6,517.75 is: 8,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.31 : 16,415.52 = 6,517.75 : x
  2. Step 2: Convert to fraction form
    11,895.31/16,415.52 = 6,517.75/x
  3. Step 3: Cross multiply
    11,895.31x = 16,415.52 × 6,517.75
  4. Step 4: Simplify right side
    11,895.31x = 106,992,255.48
  5. Step 5: Solve for x
    x = 106,992,255.48/11,895.31
  6. Step 6: Final answer
    x = 8,994.49

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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.