Home / 9,861.18-14,769.60-5,691.30

Finding the Fourth Proportional to 9,861.18, 14,769.60 and 5,691.30

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Solution

The fourth proportional to 9,861.18, 14,769.60 and 5,691.30 is: 8,524.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.18 : 14,769.60 = 5,691.30 : x
  2. Step 2: Convert to fraction form
    9,861.18/14,769.60 = 5,691.30/x
  3. Step 3: Cross multiply
    9,861.18x = 14,769.60 × 5,691.30
  4. Step 4: Simplify right side
    9,861.18x = 84,058,224.48
  5. Step 5: Solve for x
    x = 84,058,224.48/9,861.18
  6. Step 6: Final answer
    x = 8,524.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.