Home / 13,193.82-19,800.76-4,881.70

Finding the Fourth Proportional to 13,193.82, 19,800.76 and 4,881.70

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Solution

The fourth proportional to 13,193.82, 19,800.76 and 4,881.70 is: 7,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.82 : 19,800.76 = 4,881.70 : x
  2. Step 2: Convert to fraction form
    13,193.82/19,800.76 = 4,881.70/x
  3. Step 3: Cross multiply
    13,193.82x = 19,800.76 × 4,881.70
  4. Step 4: Simplify right side
    13,193.82x = 96,661,370.09
  5. Step 5: Solve for x
    x = 96,661,370.09/13,193.82
  6. Step 6: Final answer
    x = 7,326.26

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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.