Home / 11,895.95-16,416.39-6,591.11

Finding the Fourth Proportional to 11,895.95, 16,416.39 and 6,591.11

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Solution

The fourth proportional to 11,895.95, 16,416.39 and 6,591.11 is: 9,095.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.95 : 16,416.39 = 6,591.11 : x
  2. Step 2: Convert to fraction form
    11,895.95/16,416.39 = 6,591.11/x
  3. Step 3: Cross multiply
    11,895.95x = 16,416.39 × 6,591.11
  4. Step 4: Simplify right side
    11,895.95x = 108,202,150.21
  5. Step 5: Solve for x
    x = 108,202,150.21/11,895.95
  6. Step 6: Final answer
    x = 9,095.72

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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.