Home / 11,138.55-16,709.98-3,743.11

Finding the Fourth Proportional to 11,138.55, 16,709.98 and 3,743.11

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Solution

The fourth proportional to 11,138.55, 16,709.98 and 3,743.11 is: 5,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.55 : 16,709.98 = 3,743.11 : x
  2. Step 2: Convert to fraction form
    11,138.55/16,709.98 = 3,743.11/x
  3. Step 3: Cross multiply
    11,138.55x = 16,709.98 × 3,743.11
  4. Step 4: Simplify right side
    11,138.55x = 62,547,293.24
  5. Step 5: Solve for x
    x = 62,547,293.24/11,138.55
  6. Step 6: Final answer
    x = 5,615.39

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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.