Home / 13,319.92-19,982.94-4,554.88

Finding the Fourth Proportional to 13,319.92, 19,982.94 and 4,554.88

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Solution

The fourth proportional to 13,319.92, 19,982.94 and 4,554.88 is: 6,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.92 : 19,982.94 = 4,554.88 : x
  2. Step 2: Convert to fraction form
    13,319.92/19,982.94 = 4,554.88/x
  3. Step 3: Cross multiply
    13,319.92x = 19,982.94 × 4,554.88
  4. Step 4: Simplify right side
    13,319.92x = 91,019,893.75
  5. Step 5: Solve for x
    x = 91,019,893.75/13,319.92
  6. Step 6: Final answer
    x = 6,833.37

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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.