Home / 19,621.27-27,077.23-11,125

Finding the Fourth Proportional to 19,621.27, 27,077.23 and 11,125

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Solution

The fourth proportional to 19,621.27, 27,077.23 and 11,125 is: 15,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.27 : 27,077.23 = 11,125 : x
  2. Step 2: Convert to fraction form
    19,621.27/27,077.23 = 11,125/x
  3. Step 3: Cross multiply
    19,621.27x = 27,077.23 × 11,125
  4. Step 4: Simplify right side
    19,621.27x = 301,234,183.75
  5. Step 5: Solve for x
    x = 301,234,183.75/19,621.27
  6. Step 6: Final answer
    x = 15,352.43

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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.