Home / 14,408.16-21,614.80-4,919.96

Finding the Fourth Proportional to 14,408.16, 21,614.80 and 4,919.96

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Solution

The fourth proportional to 14,408.16, 21,614.80 and 4,919.96 is: 7,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.16 : 21,614.80 = 4,919.96 : x
  2. Step 2: Convert to fraction form
    14,408.16/21,614.80 = 4,919.96/x
  3. Step 3: Cross multiply
    14,408.16x = 21,614.80 × 4,919.96
  4. Step 4: Simplify right side
    14,408.16x = 106,343,951.41
  5. Step 5: Solve for x
    x = 106,343,951.41/14,408.16
  6. Step 6: Final answer
    x = 7,380.81

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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.