Home / 12,402.15-17,115.11-6,736.96

Finding the Fourth Proportional to 12,402.15, 17,115.11 and 6,736.96

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Solution

The fourth proportional to 12,402.15, 17,115.11 and 6,736.96 is: 9,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.15 : 17,115.11 = 6,736.96 : x
  2. Step 2: Convert to fraction form
    12,402.15/17,115.11 = 6,736.96/x
  3. Step 3: Cross multiply
    12,402.15x = 17,115.11 × 6,736.96
  4. Step 4: Simplify right side
    12,402.15x = 115,303,811.47
  5. Step 5: Solve for x
    x = 115,303,811.47/12,402.15
  6. Step 6: Final answer
    x = 9,297.08

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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.