Home / 11,723.42-16,178.33-6,418.25

Finding the Fourth Proportional to 11,723.42, 16,178.33 and 6,418.25

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Solution

The fourth proportional to 11,723.42, 16,178.33 and 6,418.25 is: 8,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.42 : 16,178.33 = 6,418.25 : x
  2. Step 2: Convert to fraction form
    11,723.42/16,178.33 = 6,418.25/x
  3. Step 3: Cross multiply
    11,723.42x = 16,178.33 × 6,418.25
  4. Step 4: Simplify right side
    11,723.42x = 103,836,566.52
  5. Step 5: Solve for x
    x = 103,836,566.52/11,723.42
  6. Step 6: Final answer
    x = 8,857.19

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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.