Home / 19,735.28-27,234.68-11,236.96

Finding the Fourth Proportional to 19,735.28, 27,234.68 and 11,236.96

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Solution

The fourth proportional to 19,735.28, 27,234.68 and 11,236.96 is: 15,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.28 : 27,234.68 = 11,236.96 : x
  2. Step 2: Convert to fraction form
    19,735.28/27,234.68 = 11,236.96/x
  3. Step 3: Cross multiply
    19,735.28x = 27,234.68 × 11,236.96
  4. Step 4: Simplify right side
    19,735.28x = 306,034,987.63
  5. Step 5: Solve for x
    x = 306,034,987.63/19,735.28
  6. Step 6: Final answer
    x = 15,507.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.