Home / 18,091.72-24,975.30-11,380.60

Finding the Fourth Proportional to 18,091.72, 24,975.30 and 11,380.60

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Solution

The fourth proportional to 18,091.72, 24,975.30 and 11,380.60 is: 15,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.72 : 24,975.30 = 11,380.60 : x
  2. Step 2: Convert to fraction form
    18,091.72/24,975.30 = 11,380.60/x
  3. Step 3: Cross multiply
    18,091.72x = 24,975.30 × 11,380.60
  4. Step 4: Simplify right side
    18,091.72x = 284,233,899.18
  5. Step 5: Solve for x
    x = 284,233,899.18/18,091.72
  6. Step 6: Final answer
    x = 15,710.72

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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.