Home / 13,174.83-19,760.79-3,314.11

Finding the Fourth Proportional to 13,174.83, 19,760.79 and 3,314.11

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Solution

The fourth proportional to 13,174.83, 19,760.79 and 3,314.11 is: 4,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.83 : 19,760.79 = 3,314.11 : x
  2. Step 2: Convert to fraction form
    13,174.83/19,760.79 = 3,314.11/x
  3. Step 3: Cross multiply
    13,174.83x = 19,760.79 × 3,314.11
  4. Step 4: Simplify right side
    13,174.83x = 65,489,369.92
  5. Step 5: Solve for x
    x = 65,489,369.92/13,174.83
  6. Step 6: Final answer
    x = 4,970.79

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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.