Home / 18,721.56-25,833.42-11,650.26

Finding the Fourth Proportional to 18,721.56, 25,833.42 and 11,650.26

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Solution

The fourth proportional to 18,721.56, 25,833.42 and 11,650.26 is: 16,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.56 : 25,833.42 = 11,650.26 : x
  2. Step 2: Convert to fraction form
    18,721.56/25,833.42 = 11,650.26/x
  3. Step 3: Cross multiply
    18,721.56x = 25,833.42 × 11,650.26
  4. Step 4: Simplify right side
    18,721.56x = 300,966,059.69
  5. Step 5: Solve for x
    x = 300,966,059.69/18,721.56
  6. Step 6: Final answer
    x = 16,075.91

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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.