Home / 11,162.14-15,403.62-6,446.32

Finding the Fourth Proportional to 11,162.14, 15,403.62 and 6,446.32

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Solution

The fourth proportional to 11,162.14, 15,403.62 and 6,446.32 is: 8,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.14 : 15,403.62 = 6,446.32 : x
  2. Step 2: Convert to fraction form
    11,162.14/15,403.62 = 6,446.32/x
  3. Step 3: Cross multiply
    11,162.14x = 15,403.62 × 6,446.32
  4. Step 4: Simplify right side
    11,162.14x = 99,296,663.68
  5. Step 5: Solve for x
    x = 99,296,663.68/11,162.14
  6. Step 6: Final answer
    x = 8,895.84

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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.