Home / 13,091.82-19,625.81-4,769.94

Finding the Fourth Proportional to 13,091.82, 19,625.81 and 4,769.94

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Solution

The fourth proportional to 13,091.82, 19,625.81 and 4,769.94 is: 7,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.82 : 19,625.81 = 4,769.94 : x
  2. Step 2: Convert to fraction form
    13,091.82/19,625.81 = 4,769.94/x
  3. Step 3: Cross multiply
    13,091.82x = 19,625.81 × 4,769.94
  4. Step 4: Simplify right side
    13,091.82x = 93,613,948.08
  5. Step 5: Solve for x
    x = 93,613,948.08/13,091.82
  6. Step 6: Final answer
    x = 7,150.57

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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.