Home / 11,285.06-16,927.56-3,387.55

Finding the Fourth Proportional to 11,285.06, 16,927.56 and 3,387.55

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Solution

The fourth proportional to 11,285.06, 16,927.56 and 3,387.55 is: 5,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.06 : 16,927.56 = 3,387.55 : x
  2. Step 2: Convert to fraction form
    11,285.06/16,927.56 = 3,387.55/x
  3. Step 3: Cross multiply
    11,285.06x = 16,927.56 × 3,387.55
  4. Step 4: Simplify right side
    11,285.06x = 57,342,854.30
  5. Step 5: Solve for x
    x = 57,342,854.30/11,285.06
  6. Step 6: Final answer
    x = 5,081.31

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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.