Home / 19,599.61-29,379.27-7,748.56

Finding the Fourth Proportional to 19,599.61, 29,379.27 and 7,748.56

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Solution

The fourth proportional to 19,599.61, 29,379.27 and 7,748.56 is: 11,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.61 : 29,379.27 = 7,748.56 : x
  2. Step 2: Convert to fraction form
    19,599.61/29,379.27 = 7,748.56/x
  3. Step 3: Cross multiply
    19,599.61x = 29,379.27 × 7,748.56
  4. Step 4: Simplify right side
    19,599.61x = 227,647,036.35
  5. Step 5: Solve for x
    x = 227,647,036.35/19,599.61
  6. Step 6: Final answer
    x = 11,614.88

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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.