Home / 11,621.52-17,426.61-4,122.54

Finding the Fourth Proportional to 11,621.52, 17,426.61 and 4,122.54

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Solution

The fourth proportional to 11,621.52, 17,426.61 and 4,122.54 is: 6,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.52 : 17,426.61 = 4,122.54 : x
  2. Step 2: Convert to fraction form
    11,621.52/17,426.61 = 4,122.54/x
  3. Step 3: Cross multiply
    11,621.52x = 17,426.61 × 4,122.54
  4. Step 4: Simplify right side
    11,621.52x = 71,841,896.79
  5. Step 5: Solve for x
    x = 71,841,896.79/11,621.52
  6. Step 6: Final answer
    x = 6,181.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.