Home / 11,486.22-15,850.93-6,450.66

Finding the Fourth Proportional to 11,486.22, 15,850.93 and 6,450.66

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Solution

The fourth proportional to 11,486.22, 15,850.93 and 6,450.66 is: 8,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.22 : 15,850.93 = 6,450.66 : x
  2. Step 2: Convert to fraction form
    11,486.22/15,850.93 = 6,450.66/x
  3. Step 3: Cross multiply
    11,486.22x = 15,850.93 × 6,450.66
  4. Step 4: Simplify right side
    11,486.22x = 102,248,892.61
  5. Step 5: Solve for x
    x = 102,248,892.61/11,486.22
  6. Step 6: Final answer
    x = 8,901.87

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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.