Home / 10,080.39-13,910.66-5,603.83

Finding the Fourth Proportional to 10,080.39, 13,910.66 and 5,603.83

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Solution

The fourth proportional to 10,080.39, 13,910.66 and 5,603.83 is: 7,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.39 : 13,910.66 = 5,603.83 : x
  2. Step 2: Convert to fraction form
    10,080.39/13,910.66 = 5,603.83/x
  3. Step 3: Cross multiply
    10,080.39x = 13,910.66 × 5,603.83
  4. Step 4: Simplify right side
    10,080.39x = 77,952,911.03
  5. Step 5: Solve for x
    x = 77,952,911.03/10,080.39
  6. Step 6: Final answer
    x = 7,733.12

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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.