Home / 11,883.79-17,815.66-7,491.56

Finding the Fourth Proportional to 11,883.79, 17,815.66 and 7,491.56

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Solution

The fourth proportional to 11,883.79, 17,815.66 and 7,491.56 is: 11,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.79 : 17,815.66 = 7,491.56 : x
  2. Step 2: Convert to fraction form
    11,883.79/17,815.66 = 7,491.56/x
  3. Step 3: Cross multiply
    11,883.79x = 17,815.66 × 7,491.56
  4. Step 4: Simplify right side
    11,883.79x = 133,467,085.83
  5. Step 5: Solve for x
    x = 133,467,085.83/11,883.79
  6. Step 6: Final answer
    x = 11,231.02

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1.5x scale

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.