Home / 13,299.39-19,921.41-6,285.33

Finding the Fourth Proportional to 13,299.39, 19,921.41 and 6,285.33

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Solution

The fourth proportional to 13,299.39, 19,921.41 and 6,285.33 is: 9,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.39 : 19,921.41 = 6,285.33 : x
  2. Step 2: Convert to fraction form
    13,299.39/19,921.41 = 6,285.33/x
  3. Step 3: Cross multiply
    13,299.39x = 19,921.41 × 6,285.33
  4. Step 4: Simplify right side
    13,299.39x = 125,212,635.92
  5. Step 5: Solve for x
    x = 125,212,635.92/13,299.39
  6. Step 6: Final answer
    x = 9,414.92

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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.