Home / 11,747.73-16,211.93-6,370.21

Finding the Fourth Proportional to 11,747.73, 16,211.93 and 6,370.21

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Solution

The fourth proportional to 11,747.73, 16,211.93 and 6,370.21 is: 8,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.73 : 16,211.93 = 6,370.21 : x
  2. Step 2: Convert to fraction form
    11,747.73/16,211.93 = 6,370.21/x
  3. Step 3: Cross multiply
    11,747.73x = 16,211.93 × 6,370.21
  4. Step 4: Simplify right side
    11,747.73x = 103,273,398.61
  5. Step 5: Solve for x
    x = 103,273,398.61/11,747.73
  6. Step 6: Final answer
    x = 8,790.92

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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.