Home / 13,982.52-19,296.24-8,317.92

Finding the Fourth Proportional to 13,982.52, 19,296.24 and 8,317.92

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Solution

The fourth proportional to 13,982.52, 19,296.24 and 8,317.92 is: 11,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.52 : 19,296.24 = 8,317.92 : x
  2. Step 2: Convert to fraction form
    13,982.52/19,296.24 = 8,317.92/x
  3. Step 3: Cross multiply
    13,982.52x = 19,296.24 × 8,317.92
  4. Step 4: Simplify right side
    13,982.52x = 160,504,580.62
  5. Step 5: Solve for x
    x = 160,504,580.62/13,982.52
  6. Step 6: Final answer
    x = 11,478.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.