Home / 11,788.48-17,687.40-4,861.36

Finding the Fourth Proportional to 11,788.48, 17,687.40 and 4,861.36

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Solution

The fourth proportional to 11,788.48, 17,687.40 and 4,861.36 is: 7,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.48 : 17,687.40 = 4,861.36 : x
  2. Step 2: Convert to fraction form
    11,788.48/17,687.40 = 4,861.36/x
  3. Step 3: Cross multiply
    11,788.48x = 17,687.40 × 4,861.36
  4. Step 4: Simplify right side
    11,788.48x = 85,984,818.86
  5. Step 5: Solve for x
    x = 85,984,818.86/11,788.48
  6. Step 6: Final answer
    x = 7,293.97

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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.