Home / 13,131.60-19,690.80-4,363.44

Finding the Fourth Proportional to 13,131.60, 19,690.80 and 4,363.44

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Solution

The fourth proportional to 13,131.60, 19,690.80 and 4,363.44 is: 6,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.60 : 19,690.80 = 4,363.44 : x
  2. Step 2: Convert to fraction form
    13,131.60/19,690.80 = 4,363.44/x
  3. Step 3: Cross multiply
    13,131.60x = 19,690.80 × 4,363.44
  4. Step 4: Simplify right side
    13,131.60x = 85,919,624.35
  5. Step 5: Solve for x
    x = 85,919,624.35/13,131.60
  6. Step 6: Final answer
    x = 6,542.97

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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.