Home / 11,140.30-16,712.60-3,744.86

Finding the Fourth Proportional to 11,140.30, 16,712.60 and 3,744.86

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Solution

The fourth proportional to 11,140.30, 16,712.60 and 3,744.86 is: 5,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.30 : 16,712.60 = 3,744.86 : x
  2. Step 2: Convert to fraction form
    11,140.30/16,712.60 = 3,744.86/x
  3. Step 3: Cross multiply
    11,140.30x = 16,712.60 × 3,744.86
  4. Step 4: Simplify right side
    11,140.30x = 62,586,347.24
  5. Step 5: Solve for x
    x = 62,586,347.24/11,140.30
  6. Step 6: Final answer
    x = 5,618.01

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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.