Home / 11,566.43-15,961.32-6,530.57

Finding the Fourth Proportional to 11,566.43, 15,961.32 and 6,530.57

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Solution

The fourth proportional to 11,566.43, 15,961.32 and 6,530.57 is: 9,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.43 : 15,961.32 = 6,530.57 : x
  2. Step 2: Convert to fraction form
    11,566.43/15,961.32 = 6,530.57/x
  3. Step 3: Cross multiply
    11,566.43x = 15,961.32 × 6,530.57
  4. Step 4: Simplify right side
    11,566.43x = 104,236,517.55
  5. Step 5: Solve for x
    x = 104,236,517.55/11,566.43
  6. Step 6: Final answer
    x = 9,011.99

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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.