Home / 9,940.24-14,909.88-2,919.96

Finding the Fourth Proportional to 9,940.24, 14,909.88 and 2,919.96

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Solution

The fourth proportional to 9,940.24, 14,909.88 and 2,919.96 is: 4,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.24 : 14,909.88 = 2,919.96 : x
  2. Step 2: Convert to fraction form
    9,940.24/14,909.88 = 2,919.96/x
  3. Step 3: Cross multiply
    9,940.24x = 14,909.88 × 2,919.96
  4. Step 4: Simplify right side
    9,940.24x = 43,536,253.20
  5. Step 5: Solve for x
    x = 43,536,253.20/9,940.24
  6. Step 6: Final answer
    x = 4,379.80

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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.