Home / 11,313.76-15,612.70-6,277.96

Finding the Fourth Proportional to 11,313.76, 15,612.70 and 6,277.96

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Solution

The fourth proportional to 11,313.76, 15,612.70 and 6,277.96 is: 8,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.76 : 15,612.70 = 6,277.96 : x
  2. Step 2: Convert to fraction form
    11,313.76/15,612.70 = 6,277.96/x
  3. Step 3: Cross multiply
    11,313.76x = 15,612.70 × 6,277.96
  4. Step 4: Simplify right side
    11,313.76x = 98,015,906.09
  5. Step 5: Solve for x
    x = 98,015,906.09/11,313.76
  6. Step 6: Final answer
    x = 8,663.42

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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.