Home / 10,674.87-16,011.67-3,279.40

Finding the Fourth Proportional to 10,674.87, 16,011.67 and 3,279.40

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Solution

The fourth proportional to 10,674.87, 16,011.67 and 3,279.40 is: 4,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674.87 : 16,011.67 = 3,279.40 : x
  2. Step 2: Convert to fraction form
    10,674.87/16,011.67 = 3,279.40/x
  3. Step 3: Cross multiply
    10,674.87x = 16,011.67 × 3,279.40
  4. Step 4: Simplify right side
    10,674.87x = 52,508,670.60
  5. Step 5: Solve for x
    x = 52,508,670.60/10,674.87
  6. Step 6: Final answer
    x = 4,918.90

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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.