Home / 11,886.12-16,402.68-6,850.35

Finding the Fourth Proportional to 11,886.12, 16,402.68 and 6,850.35

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Solution

The fourth proportional to 11,886.12, 16,402.68 and 6,850.35 is: 9,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.12 : 16,402.68 = 6,850.35 : x
  2. Step 2: Convert to fraction form
    11,886.12/16,402.68 = 6,850.35/x
  3. Step 3: Cross multiply
    11,886.12x = 16,402.68 × 6,850.35
  4. Step 4: Simplify right side
    11,886.12x = 112,364,098.94
  5. Step 5: Solve for x
    x = 112,364,098.94/11,886.12
  6. Step 6: Final answer
    x = 9,453.39

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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.