Home / 11,910.24-16,437.13-6,605.55

Finding the Fourth Proportional to 11,910.24, 16,437.13 and 6,605.55

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Solution

The fourth proportional to 11,910.24, 16,437.13 and 6,605.55 is: 9,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.24 : 16,437.13 = 6,605.55 : x
  2. Step 2: Convert to fraction form
    11,910.24/16,437.13 = 6,605.55/x
  3. Step 3: Cross multiply
    11,910.24x = 16,437.13 × 6,605.55
  4. Step 4: Simplify right side
    11,910.24x = 108,576,267.56
  5. Step 5: Solve for x
    x = 108,576,267.56/11,910.24
  6. Step 6: Final answer
    x = 9,116.21

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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.