Home / 13,216.38-19,824.84-3,857.10

Finding the Fourth Proportional to 13,216.38, 19,824.84 and 3,857.10

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Solution

The fourth proportional to 13,216.38, 19,824.84 and 3,857.10 is: 5,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.38 : 19,824.84 = 3,857.10 : x
  2. Step 2: Convert to fraction form
    13,216.38/19,824.84 = 3,857.10/x
  3. Step 3: Cross multiply
    13,216.38x = 19,824.84 × 3,857.10
  4. Step 4: Simplify right side
    13,216.38x = 76,466,390.36
  5. Step 5: Solve for x
    x = 76,466,390.36/13,216.38
  6. Step 6: Final answer
    x = 5,785.73

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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.