Home / 13,229.36-19,834.32-6,308.72

Finding the Fourth Proportional to 13,229.36, 19,834.32 and 6,308.72

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Solution

The fourth proportional to 13,229.36, 19,834.32 and 6,308.72 is: 9,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.36 : 19,834.32 = 6,308.72 : x
  2. Step 2: Convert to fraction form
    13,229.36/19,834.32 = 6,308.72/x
  3. Step 3: Cross multiply
    13,229.36x = 19,834.32 × 6,308.72
  4. Step 4: Simplify right side
    13,229.36x = 125,129,171.27
  5. Step 5: Solve for x
    x = 125,129,171.27/13,229.36
  6. Step 6: Final answer
    x = 9,458.44

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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.