Home / 11,031.76-16,543.32-4,009.60

Finding the Fourth Proportional to 11,031.76, 16,543.32 and 4,009.60

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Solution

The fourth proportional to 11,031.76, 16,543.32 and 4,009.60 is: 6,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.76 : 16,543.32 = 4,009.60 : x
  2. Step 2: Convert to fraction form
    11,031.76/16,543.32 = 4,009.60/x
  3. Step 3: Cross multiply
    11,031.76x = 16,543.32 × 4,009.60
  4. Step 4: Simplify right side
    11,031.76x = 66,332,095.87
  5. Step 5: Solve for x
    x = 66,332,095.87/11,031.76
  6. Step 6: Final answer
    x = 6,012.83

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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.