Home / 12,187.24-18,277.08-4,395.04

Finding the Fourth Proportional to 12,187.24, 18,277.08 and 4,395.04

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Solution

The fourth proportional to 12,187.24, 18,277.08 and 4,395.04 is: 6,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187.24 : 18,277.08 = 4,395.04 : x
  2. Step 2: Convert to fraction form
    12,187.24/18,277.08 = 4,395.04/x
  3. Step 3: Cross multiply
    12,187.24x = 18,277.08 × 4,395.04
  4. Step 4: Simplify right side
    12,187.24x = 80,328,497.68
  5. Step 5: Solve for x
    x = 80,328,497.68/12,187.24
  6. Step 6: Final answer
    x = 6,591.20

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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.