Home / 19,615.32-27,069.48-11,231.76

Finding the Fourth Proportional to 19,615.32, 27,069.48 and 11,231.76

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Solution

The fourth proportional to 19,615.32, 27,069.48 and 11,231.76 is: 15,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.32 : 27,069.48 = 11,231.76 : x
  2. Step 2: Convert to fraction form
    19,615.32/27,069.48 = 11,231.76/x
  3. Step 3: Cross multiply
    19,615.32x = 27,069.48 × 11,231.76
  4. Step 4: Simplify right side
    19,615.32x = 304,037,902.68
  5. Step 5: Solve for x
    x = 304,037,902.68/19,615.32
  6. Step 6: Final answer
    x = 15,500.02

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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.