Home / 11,103.48-16,657.38-5,256.90

Finding the Fourth Proportional to 11,103.48, 16,657.38 and 5,256.90

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Solution

The fourth proportional to 11,103.48, 16,657.38 and 5,256.90 is: 7,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.48 : 16,657.38 = 5,256.90 : x
  2. Step 2: Convert to fraction form
    11,103.48/16,657.38 = 5,256.90/x
  3. Step 3: Cross multiply
    11,103.48x = 16,657.38 × 5,256.90
  4. Step 4: Simplify right side
    11,103.48x = 87,566,180.92
  5. Step 5: Solve for x
    x = 87,566,180.92/11,103.48
  6. Step 6: Final answer
    x = 7,886.37

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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.