Home / 13,009.39-19,517.19-4,244.31

Finding the Fourth Proportional to 13,009.39, 19,517.19 and 4,244.31

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Solution

The fourth proportional to 13,009.39, 19,517.19 and 4,244.31 is: 6,367.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.39 : 19,517.19 = 4,244.31 : x
  2. Step 2: Convert to fraction form
    13,009.39/19,517.19 = 4,244.31/x
  3. Step 3: Cross multiply
    13,009.39x = 19,517.19 × 4,244.31
  4. Step 4: Simplify right side
    13,009.39x = 82,837,053.48
  5. Step 5: Solve for x
    x = 82,837,053.48/13,009.39
  6. Step 6: Final answer
    x = 6,367.48

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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.