Home / 11,686.55-16,126.29-6,650.37

Finding the Fourth Proportional to 11,686.55, 16,126.29 and 6,650.37

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Solution

The fourth proportional to 11,686.55, 16,126.29 and 6,650.37 is: 9,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.55 : 16,126.29 = 6,650.37 : x
  2. Step 2: Convert to fraction form
    11,686.55/16,126.29 = 6,650.37/x
  3. Step 3: Cross multiply
    11,686.55x = 16,126.29 × 6,650.37
  4. Step 4: Simplify right side
    11,686.55x = 107,245,795.23
  5. Step 5: Solve for x
    x = 107,245,795.23/11,686.55
  6. Step 6: Final answer
    x = 9,176.86

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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.