Home / 18,634.79-27,954.96-6,156.14

Finding the Fourth Proportional to 18,634.79, 27,954.96 and 6,156.14

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Solution

The fourth proportional to 18,634.79, 27,954.96 and 6,156.14 is: 9,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.79 : 27,954.96 = 6,156.14 : x
  2. Step 2: Convert to fraction form
    18,634.79/27,954.96 = 6,156.14/x
  3. Step 3: Cross multiply
    18,634.79x = 27,954.96 × 6,156.14
  4. Step 4: Simplify right side
    18,634.79x = 172,094,476.90
  5. Step 5: Solve for x
    x = 172,094,476.90/18,634.79
  6. Step 6: Final answer
    x = 9,235.12

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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.