Home / 11,777.04-17,654.28-4,379.52

Finding the Fourth Proportional to 11,777.04, 17,654.28 and 4,379.52

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Solution

The fourth proportional to 11,777.04, 17,654.28 and 4,379.52 is: 6,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.04 : 17,654.28 = 4,379.52 : x
  2. Step 2: Convert to fraction form
    11,777.04/17,654.28 = 4,379.52/x
  3. Step 3: Cross multiply
    11,777.04x = 17,654.28 × 4,379.52
  4. Step 4: Simplify right side
    11,777.04x = 77,317,272.35
  5. Step 5: Solve for x
    x = 77,317,272.35/11,777.04
  6. Step 6: Final answer
    x = 6,565.09

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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.