Home / 11,733.90-16,193.07-6,428.72

Finding the Fourth Proportional to 11,733.90, 16,193.07 and 6,428.72

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Solution

The fourth proportional to 11,733.90, 16,193.07 and 6,428.72 is: 8,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.90 : 16,193.07 = 6,428.72 : x
  2. Step 2: Convert to fraction form
    11,733.90/16,193.07 = 6,428.72/x
  3. Step 3: Cross multiply
    11,733.90x = 16,193.07 × 6,428.72
  4. Step 4: Simplify right side
    11,733.90x = 104,100,712.97
  5. Step 5: Solve for x
    x = 104,100,712.97/11,733.90
  6. Step 6: Final answer
    x = 8,871.79

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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.