Home / 14,226.76-21,339.60-3,838.78

Finding the Fourth Proportional to 14,226.76, 21,339.60 and 3,838.78

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Solution

The fourth proportional to 14,226.76, 21,339.60 and 3,838.78 is: 5,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.76 : 21,339.60 = 3,838.78 : x
  2. Step 2: Convert to fraction form
    14,226.76/21,339.60 = 3,838.78/x
  3. Step 3: Cross multiply
    14,226.76x = 21,339.60 × 3,838.78
  4. Step 4: Simplify right side
    14,226.76x = 81,918,029.69
  5. Step 5: Solve for x
    x = 81,918,029.69/14,226.76
  6. Step 6: Final answer
    x = 5,758.02

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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.