Home / 13,213.23-19,815.06-3,850.92

Finding the Fourth Proportional to 13,213.23, 19,815.06 and 3,850.92

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Solution

The fourth proportional to 13,213.23, 19,815.06 and 3,850.92 is: 5,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.23 : 19,815.06 = 3,850.92 : x
  2. Step 2: Convert to fraction form
    13,213.23/19,815.06 = 3,850.92/x
  3. Step 3: Cross multiply
    13,213.23x = 19,815.06 × 3,850.92
  4. Step 4: Simplify right side
    13,213.23x = 76,306,210.86
  5. Step 5: Solve for x
    x = 76,306,210.86/13,213.23
  6. Step 6: Final answer
    x = 5,774.99

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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.