Home / 11,303.92-16,942.77-4,279.47

Finding the Fourth Proportional to 11,303.92, 16,942.77 and 4,279.47

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Solution

The fourth proportional to 11,303.92, 16,942.77 and 4,279.47 is: 6,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303.92 : 16,942.77 = 4,279.47 : x
  2. Step 2: Convert to fraction form
    11,303.92/16,942.77 = 4,279.47/x
  3. Step 3: Cross multiply
    11,303.92x = 16,942.77 × 4,279.47
  4. Step 4: Simplify right side
    11,303.92x = 72,506,012.40
  5. Step 5: Solve for x
    x = 72,506,012.40/11,303.92
  6. Step 6: Final answer
    x = 6,414.24

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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.