Home / 13,273.82-19,911.98-4,389.19

Finding the Fourth Proportional to 13,273.82, 19,911.98 and 4,389.19

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Solution

The fourth proportional to 13,273.82, 19,911.98 and 4,389.19 is: 6,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.82 : 19,911.98 = 4,389.19 : x
  2. Step 2: Convert to fraction form
    13,273.82/19,911.98 = 4,389.19/x
  3. Step 3: Cross multiply
    13,273.82x = 19,911.98 × 4,389.19
  4. Step 4: Simplify right side
    13,273.82x = 87,397,400.00
  5. Step 5: Solve for x
    x = 87,397,400.00/13,273.82
  6. Step 6: Final answer
    x = 6,584.19

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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.