Home / 18,694.31-25,797.24-11,140.47

Finding the Fourth Proportional to 18,694.31, 25,797.24 and 11,140.47

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Solution

The fourth proportional to 18,694.31, 25,797.24 and 11,140.47 is: 15,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.31 : 25,797.24 = 11,140.47 : x
  2. Step 2: Convert to fraction form
    18,694.31/25,797.24 = 11,140.47/x
  3. Step 3: Cross multiply
    18,694.31x = 25,797.24 × 11,140.47
  4. Step 4: Simplify right side
    18,694.31x = 287,393,378.30
  5. Step 5: Solve for x
    x = 287,393,378.30/18,694.31
  6. Step 6: Final answer
    x = 15,373.31

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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.