Home / 11,723.37-16,178.25-6,418.18

Finding the Fourth Proportional to 11,723.37, 16,178.25 and 6,418.18

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Solution

The fourth proportional to 11,723.37, 16,178.25 and 6,418.18 is: 8,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.37 : 16,178.25 = 6,418.18 : x
  2. Step 2: Convert to fraction form
    11,723.37/16,178.25 = 6,418.18/x
  3. Step 3: Cross multiply
    11,723.37x = 16,178.25 × 6,418.18
  4. Step 4: Simplify right side
    11,723.37x = 103,834,920.59
  5. Step 5: Solve for x
    x = 103,834,920.59/11,723.37
  6. Step 6: Final answer
    x = 8,857.09

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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.