Home / 15,399.24-21,252.06-11,615.73

Finding the Fourth Proportional to 15,399.24, 21,252.06 and 11,615.73

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Solution

The fourth proportional to 15,399.24, 21,252.06 and 11,615.73 is: 16,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.24 : 21,252.06 = 11,615.73 : x
  2. Step 2: Convert to fraction form
    15,399.24/21,252.06 = 11,615.73/x
  3. Step 3: Cross multiply
    15,399.24x = 21,252.06 × 11,615.73
  4. Step 4: Simplify right side
    15,399.24x = 246,858,190.90
  5. Step 5: Solve for x
    x = 246,858,190.90/15,399.24
  6. Step 6: Final answer
    x = 16,030.54

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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.