Home / 11,366.54-15,685.82-6,651.72

Finding the Fourth Proportional to 11,366.54, 15,685.82 and 6,651.72

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Solution

The fourth proportional to 11,366.54, 15,685.82 and 6,651.72 is: 9,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.54 : 15,685.82 = 6,651.72 : x
  2. Step 2: Convert to fraction form
    11,366.54/15,685.82 = 6,651.72/x
  3. Step 3: Cross multiply
    11,366.54x = 15,685.82 × 6,651.72
  4. Step 4: Simplify right side
    11,366.54x = 104,337,682.61
  5. Step 5: Solve for x
    x = 104,337,682.61/11,366.54
  6. Step 6: Final answer
    x = 9,179.37

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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.