Home / 11,077.29-15,289.82-6,299.81

Finding the Fourth Proportional to 11,077.29, 15,289.82 and 6,299.81

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Solution

The fourth proportional to 11,077.29, 15,289.82 and 6,299.81 is: 8,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.29 : 15,289.82 = 6,299.81 : x
  2. Step 2: Convert to fraction form
    11,077.29/15,289.82 = 6,299.81/x
  3. Step 3: Cross multiply
    11,077.29x = 15,289.82 × 6,299.81
  4. Step 4: Simplify right side
    11,077.29x = 96,322,951.67
  5. Step 5: Solve for x
    x = 96,322,951.67/11,077.29
  6. Step 6: Final answer
    x = 8,695.53

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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.