Home / 18,298.88-27,449.96-5,151.36

Finding the Fourth Proportional to 18,298.88, 27,449.96 and 5,151.36

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Solution

The fourth proportional to 18,298.88, 27,449.96 and 5,151.36 is: 7,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.88 : 27,449.96 = 5,151.36 : x
  2. Step 2: Convert to fraction form
    18,298.88/27,449.96 = 5,151.36/x
  3. Step 3: Cross multiply
    18,298.88x = 27,449.96 × 5,151.36
  4. Step 4: Simplify right side
    18,298.88x = 141,404,625.95
  5. Step 5: Solve for x
    x = 141,404,625.95/18,298.88
  6. Step 6: Final answer
    x = 7,727.50

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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.