Home / 11,366.44-15,685.79-6,650.82

Finding the Fourth Proportional to 11,366.44, 15,685.79 and 6,650.82

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Solution

The fourth proportional to 11,366.44, 15,685.79 and 6,650.82 is: 9,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.44 : 15,685.79 = 6,650.82 : x
  2. Step 2: Convert to fraction form
    11,366.44/15,685.79 = 6,650.82/x
  3. Step 3: Cross multiply
    11,366.44x = 15,685.79 × 6,650.82
  4. Step 4: Simplify right side
    11,366.44x = 104,323,332.59
  5. Step 5: Solve for x
    x = 104,323,332.59/11,366.44
  6. Step 6: Final answer
    x = 9,178.19

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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.