Home / 11,799.97-17,702.39-9,865.69

Finding the Fourth Proportional to 11,799.97, 17,702.39 and 9,865.69

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Solution

The fourth proportional to 11,799.97, 17,702.39 and 9,865.69 is: 14,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.97 : 17,702.39 = 9,865.69 : x
  2. Step 2: Convert to fraction form
    11,799.97/17,702.39 = 9,865.69/x
  3. Step 3: Cross multiply
    11,799.97x = 17,702.39 × 9,865.69
  4. Step 4: Simplify right side
    11,799.97x = 174,646,292.00
  5. Step 5: Solve for x
    x = 174,646,292.00/11,799.97
  6. Step 6: Final answer
    x = 14,800.57

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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.