Home / 12,861.04-17,738.22-8,610.75

Finding the Fourth Proportional to 12,861.04, 17,738.22 and 8,610.75

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Solution

The fourth proportional to 12,861.04, 17,738.22 and 8,610.75 is: 11,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.04 : 17,738.22 = 8,610.75 : x
  2. Step 2: Convert to fraction form
    12,861.04/17,738.22 = 8,610.75/x
  3. Step 3: Cross multiply
    12,861.04x = 17,738.22 × 8,610.75
  4. Step 4: Simplify right side
    12,861.04x = 152,739,289.17
  5. Step 5: Solve for x
    x = 152,739,289.17/12,861.04
  6. Step 6: Final answer
    x = 11,876.13

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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.