Home / 10,860.22-16,291.68-3,838.79

Finding the Fourth Proportional to 10,860.22, 16,291.68 and 3,838.79

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Solution

The fourth proportional to 10,860.22, 16,291.68 and 3,838.79 is: 5,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.22 : 16,291.68 = 3,838.79 : x
  2. Step 2: Convert to fraction form
    10,860.22/16,291.68 = 3,838.79/x
  3. Step 3: Cross multiply
    10,860.22x = 16,291.68 × 3,838.79
  4. Step 4: Simplify right side
    10,860.22x = 62,540,237.61
  5. Step 5: Solve for x
    x = 62,540,237.61/10,860.22
  6. Step 6: Final answer
    x = 5,758.65

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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.