Home / 13,162.97-19,733.35-6,139.29

Finding the Fourth Proportional to 13,162.97, 19,733.35 and 6,139.29

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Solution

The fourth proportional to 13,162.97, 19,733.35 and 6,139.29 is: 9,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.97 : 19,733.35 = 6,139.29 : x
  2. Step 2: Convert to fraction form
    13,162.97/19,733.35 = 6,139.29/x
  3. Step 3: Cross multiply
    13,162.97x = 19,733.35 × 6,139.29
  4. Step 4: Simplify right side
    13,162.97x = 121,148,659.65
  5. Step 5: Solve for x
    x = 121,148,659.65/13,162.97
  6. Step 6: Final answer
    x = 9,203.75

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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.