Home / 18,255.65-27,383.72-6,408.95

Finding the Fourth Proportional to 18,255.65, 27,383.72 and 6,408.95

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Solution

The fourth proportional to 18,255.65, 27,383.72 and 6,408.95 is: 9,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.65 : 27,383.72 = 6,408.95 : x
  2. Step 2: Convert to fraction form
    18,255.65/27,383.72 = 6,408.95/x
  3. Step 3: Cross multiply
    18,255.65x = 27,383.72 × 6,408.95
  4. Step 4: Simplify right side
    18,255.65x = 175,500,723.33
  5. Step 5: Solve for x
    x = 175,500,723.33/18,255.65
  6. Step 6: Final answer
    x = 9,613.50

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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.