Home / 13,058.19-18,025.44-8,811.75

Finding the Fourth Proportional to 13,058.19, 18,025.44 and 8,811.75

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Solution

The fourth proportional to 13,058.19, 18,025.44 and 8,811.75 is: 12,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.19 : 18,025.44 = 8,811.75 : x
  2. Step 2: Convert to fraction form
    13,058.19/18,025.44 = 8,811.75/x
  3. Step 3: Cross multiply
    13,058.19x = 18,025.44 × 8,811.75
  4. Step 4: Simplify right side
    13,058.19x = 158,835,670.92
  5. Step 5: Solve for x
    x = 158,835,670.92/13,058.19
  6. Step 6: Final answer
    x = 12,163.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.