Home / 13,654.96-20,487.38-4,771.61

Finding the Fourth Proportional to 13,654.96, 20,487.38 and 4,771.61

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Solution

The fourth proportional to 13,654.96, 20,487.38 and 4,771.61 is: 7,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.96 : 20,487.38 = 4,771.61 : x
  2. Step 2: Convert to fraction form
    13,654.96/20,487.38 = 4,771.61/x
  3. Step 3: Cross multiply
    13,654.96x = 20,487.38 × 4,771.61
  4. Step 4: Simplify right side
    13,654.96x = 97,757,764.65
  5. Step 5: Solve for x
    x = 97,757,764.65/13,654.96
  6. Step 6: Final answer
    x = 7,159.14

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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.