Home / 14,152.96-19,531.20-7,865.44

Finding the Fourth Proportional to 14,152.96, 19,531.20 and 7,865.44

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Solution

The fourth proportional to 14,152.96, 19,531.20 and 7,865.44 is: 10,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.96 : 19,531.20 = 7,865.44 : x
  2. Step 2: Convert to fraction form
    14,152.96/19,531.20 = 7,865.44/x
  3. Step 3: Cross multiply
    14,152.96x = 19,531.20 × 7,865.44
  4. Step 4: Simplify right side
    14,152.96x = 153,621,481.73
  5. Step 5: Solve for x
    x = 153,621,481.73/14,152.96
  6. Step 6: Final answer
    x = 10,854.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.