Home / 11,908.62-16,434.09-6,603.66

Finding the Fourth Proportional to 11,908.62, 16,434.09 and 6,603.66

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Solution

The fourth proportional to 11,908.62, 16,434.09 and 6,603.66 is: 9,113.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.62 : 16,434.09 = 6,603.66 : x
  2. Step 2: Convert to fraction form
    11,908.62/16,434.09 = 6,603.66/x
  3. Step 3: Cross multiply
    11,908.62x = 16,434.09 × 6,603.66
  4. Step 4: Simplify right side
    11,908.62x = 108,525,142.77
  5. Step 5: Solve for x
    x = 108,525,142.77/11,908.62
  6. Step 6: Final answer
    x = 9,113.16

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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.