Home / 18,522.20-27,748.40-9,151.24

Finding the Fourth Proportional to 18,522.20, 27,748.40 and 9,151.24

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Solution

The fourth proportional to 18,522.20, 27,748.40 and 9,151.24 is: 13,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.20 : 27,748.40 = 9,151.24 : x
  2. Step 2: Convert to fraction form
    18,522.20/27,748.40 = 9,151.24/x
  3. Step 3: Cross multiply
    18,522.20x = 27,748.40 × 9,151.24
  4. Step 4: Simplify right side
    18,522.20x = 253,932,268.02
  5. Step 5: Solve for x
    x = 253,932,268.02/18,522.20
  6. Step 6: Final answer
    x = 13,709.62

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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.