Home / 13,091.72-19,625.87-4,765.87

Finding the Fourth Proportional to 13,091.72, 19,625.87 and 4,765.87

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Solution

The fourth proportional to 13,091.72, 19,625.87 and 4,765.87 is: 7,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.72 : 19,625.87 = 4,765.87 : x
  2. Step 2: Convert to fraction form
    13,091.72/19,625.87 = 4,765.87/x
  3. Step 3: Cross multiply
    13,091.72x = 19,625.87 × 4,765.87
  4. Step 4: Simplify right side
    13,091.72x = 93,534,345.06
  5. Step 5: Solve for x
    x = 93,534,345.06/13,091.72
  6. Step 6: Final answer
    x = 7,144.54

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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.