Home / 15,387.99-23,073.77-7,974.06

Finding the Fourth Proportional to 15,387.99, 23,073.77 and 7,974.06

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Solution

The fourth proportional to 15,387.99, 23,073.77 and 7,974.06 is: 11,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.99 : 23,073.77 = 7,974.06 : x
  2. Step 2: Convert to fraction form
    15,387.99/23,073.77 = 7,974.06/x
  3. Step 3: Cross multiply
    15,387.99x = 23,073.77 × 7,974.06
  4. Step 4: Simplify right side
    15,387.99x = 183,991,586.54
  5. Step 5: Solve for x
    x = 183,991,586.54/15,387.99
  6. Step 6: Final answer
    x = 11,956.83

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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.