Home / 16,243.36-22,409.16-10,939.88

Finding the Fourth Proportional to 16,243.36, 22,409.16 and 10,939.88

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Solution

The fourth proportional to 16,243.36, 22,409.16 and 10,939.88 is: 15,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,243.36 : 22,409.16 = 10,939.88 : x
  2. Step 2: Convert to fraction form
    16,243.36/22,409.16 = 10,939.88/x
  3. Step 3: Cross multiply
    16,243.36x = 22,409.16 × 10,939.88
  4. Step 4: Simplify right side
    16,243.36x = 245,153,536.30
  5. Step 5: Solve for x
    x = 245,153,536.30/16,243.36
  6. Step 6: Final answer
    x = 15,092.54

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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.