Home / 9,427.73-14,135.78-3,187.15

Finding the Fourth Proportional to 9,427.73, 14,135.78 and 3,187.15

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Solution

The fourth proportional to 9,427.73, 14,135.78 and 3,187.15 is: 4,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.73 : 14,135.78 = 3,187.15 : x
  2. Step 2: Convert to fraction form
    9,427.73/14,135.78 = 3,187.15/x
  3. Step 3: Cross multiply
    9,427.73x = 14,135.78 × 3,187.15
  4. Step 4: Simplify right side
    9,427.73x = 45,052,823.86
  5. Step 5: Solve for x
    x = 45,052,823.86/9,427.73
  6. Step 6: Final answer
    x = 4,778.76

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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.