Home / 15,233.92-21,022.75-8,519.52

Finding the Fourth Proportional to 15,233.92, 21,022.75 and 8,519.52

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Solution

The fourth proportional to 15,233.92, 21,022.75 and 8,519.52 is: 11,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.92 : 21,022.75 = 8,519.52 : x
  2. Step 2: Convert to fraction form
    15,233.92/21,022.75 = 8,519.52/x
  3. Step 3: Cross multiply
    15,233.92x = 21,022.75 × 8,519.52
  4. Step 4: Simplify right side
    15,233.92x = 179,103,828.56
  5. Step 5: Solve for x
    x = 179,103,828.56/15,233.92
  6. Step 6: Final answer
    x = 11,756.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.