Home / 18,272.54-27,419.74-10,486.82

Finding the Fourth Proportional to 18,272.54, 27,419.74 and 10,486.82

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Solution

The fourth proportional to 18,272.54, 27,419.74 and 10,486.82 is: 15,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.54 : 27,419.74 = 10,486.82 : x
  2. Step 2: Convert to fraction form
    18,272.54/27,419.74 = 10,486.82/x
  3. Step 3: Cross multiply
    18,272.54x = 27,419.74 × 10,486.82
  4. Step 4: Simplify right side
    18,272.54x = 287,545,795.42
  5. Step 5: Solve for x
    x = 287,545,795.42/18,272.54
  6. Step 6: Final answer
    x = 15,736.50

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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.