Home / 11,908.80-17,853.12-4,509.18

Finding the Fourth Proportional to 11,908.80, 17,853.12 and 4,509.18

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Solution

The fourth proportional to 11,908.80, 17,853.12 and 4,509.18 is: 6,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.80 : 17,853.12 = 4,509.18 : x
  2. Step 2: Convert to fraction form
    11,908.80/17,853.12 = 4,509.18/x
  3. Step 3: Cross multiply
    11,908.80x = 17,853.12 × 4,509.18
  4. Step 4: Simplify right side
    11,908.80x = 80,502,931.64
  5. Step 5: Solve for x
    x = 80,502,931.64/11,908.80
  6. Step 6: Final answer
    x = 6,759.95

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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.