Home / 13,023.89-19,537.28-3,790.61

Finding the Fourth Proportional to 13,023.89, 19,537.28 and 3,790.61

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Solution

The fourth proportional to 13,023.89, 19,537.28 and 3,790.61 is: 5,686.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.89 : 19,537.28 = 3,790.61 : x
  2. Step 2: Convert to fraction form
    13,023.89/19,537.28 = 3,790.61/x
  3. Step 3: Cross multiply
    13,023.89x = 19,537.28 × 3,790.61
  4. Step 4: Simplify right side
    13,023.89x = 74,058,189.99
  5. Step 5: Solve for x
    x = 74,058,189.99/13,023.89
  6. Step 6: Final answer
    x = 5,686.33

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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.