Home / 18,256.88-27,365.67-7,724.45

Finding the Fourth Proportional to 18,256.88, 27,365.67 and 7,724.45

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Solution

The fourth proportional to 18,256.88, 27,365.67 and 7,724.45 is: 11,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.88 : 27,365.67 = 7,724.45 : x
  2. Step 2: Convert to fraction form
    18,256.88/27,365.67 = 7,724.45/x
  3. Step 3: Cross multiply
    18,256.88x = 27,365.67 × 7,724.45
  4. Step 4: Simplify right side
    18,256.88x = 211,384,612.80
  5. Step 5: Solve for x
    x = 211,384,612.80/18,256.88
  6. Step 6: Final answer
    x = 11,578.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.