Home / 18,156.21-27,221.62-9,274.29

Finding the Fourth Proportional to 18,156.21, 27,221.62 and 9,274.29

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Solution

The fourth proportional to 18,156.21, 27,221.62 and 9,274.29 is: 13,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.21 : 27,221.62 = 9,274.29 : x
  2. Step 2: Convert to fraction form
    18,156.21/27,221.62 = 9,274.29/x
  3. Step 3: Cross multiply
    18,156.21x = 27,221.62 × 9,274.29
  4. Step 4: Simplify right side
    18,156.21x = 252,461,015.67
  5. Step 5: Solve for x
    x = 252,461,015.67/18,156.21
  6. Step 6: Final answer
    x = 13,904.94

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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.