Home / 11,655.73-16,085.09-6,350.54

Finding the Fourth Proportional to 11,655.73, 16,085.09 and 6,350.54

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Solution

The fourth proportional to 11,655.73, 16,085.09 and 6,350.54 is: 8,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.73 : 16,085.09 = 6,350.54 : x
  2. Step 2: Convert to fraction form
    11,655.73/16,085.09 = 6,350.54/x
  3. Step 3: Cross multiply
    11,655.73x = 16,085.09 × 6,350.54
  4. Step 4: Simplify right side
    11,655.73x = 102,148,975.70
  5. Step 5: Solve for x
    x = 102,148,975.70/11,655.73
  6. Step 6: Final answer
    x = 8,763.85

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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.