Home / 9,919.92-14,869.53-3,343.86

Finding the Fourth Proportional to 9,919.92, 14,869.53 and 3,343.86

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Solution

The fourth proportional to 9,919.92, 14,869.53 and 3,343.86 is: 5,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.92 : 14,869.53 = 3,343.86 : x
  2. Step 2: Convert to fraction form
    9,919.92/14,869.53 = 3,343.86/x
  3. Step 3: Cross multiply
    9,919.92x = 14,869.53 × 3,343.86
  4. Step 4: Simplify right side
    9,919.92x = 49,721,626.59
  5. Step 5: Solve for x
    x = 49,721,626.59/9,919.92
  6. Step 6: Final answer
    x = 5,012.30

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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.