Home / 11,663.77-17,500.82-6,115.79

Finding the Fourth Proportional to 11,663.77, 17,500.82 and 6,115.79

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Solution

The fourth proportional to 11,663.77, 17,500.82 and 6,115.79 is: 9,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.77 : 17,500.82 = 6,115.79 : x
  2. Step 2: Convert to fraction form
    11,663.77/17,500.82 = 6,115.79/x
  3. Step 3: Cross multiply
    11,663.77x = 17,500.82 × 6,115.79
  4. Step 4: Simplify right side
    11,663.77x = 107,031,339.95
  5. Step 5: Solve for x
    x = 107,031,339.95/11,663.77
  6. Step 6: Final answer
    x = 9,176.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.