Home / 13,185.96-19,778.92-4,867.80

Finding the Fourth Proportional to 13,185.96, 19,778.92 and 4,867.80

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Solution

The fourth proportional to 13,185.96, 19,778.92 and 4,867.80 is: 7,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.96 : 19,778.92 = 4,867.80 : x
  2. Step 2: Convert to fraction form
    13,185.96/19,778.92 = 4,867.80/x
  3. Step 3: Cross multiply
    13,185.96x = 19,778.92 × 4,867.80
  4. Step 4: Simplify right side
    13,185.96x = 96,279,826.78
  5. Step 5: Solve for x
    x = 96,279,826.78/13,185.96
  6. Step 6: Final answer
    x = 7,301.69

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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.