Home / 19,734.72-27,231.12-11,349.60

Finding the Fourth Proportional to 19,734.72, 27,231.12 and 11,349.60

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Solution

The fourth proportional to 19,734.72, 27,231.12 and 11,349.60 is: 15,660.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.72 : 27,231.12 = 11,349.60 : x
  2. Step 2: Convert to fraction form
    19,734.72/27,231.12 = 11,349.60/x
  3. Step 3: Cross multiply
    19,734.72x = 27,231.12 × 11,349.60
  4. Step 4: Simplify right side
    19,734.72x = 309,062,319.55
  5. Step 5: Solve for x
    x = 309,062,319.55/19,734.72
  6. Step 6: Final answer
    x = 15,660.84

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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.