Home / 13,149.18-19,714.05-4,824.81

Finding the Fourth Proportional to 13,149.18, 19,714.05 and 4,824.81

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Solution

The fourth proportional to 13,149.18, 19,714.05 and 4,824.81 is: 7,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.18 : 19,714.05 = 4,824.81 : x
  2. Step 2: Convert to fraction form
    13,149.18/19,714.05 = 4,824.81/x
  3. Step 3: Cross multiply
    13,149.18x = 19,714.05 × 4,824.81
  4. Step 4: Simplify right side
    13,149.18x = 95,116,545.58
  5. Step 5: Solve for x
    x = 95,116,545.58/13,149.18
  6. Step 6: Final answer
    x = 7,233.65

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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.