Home / 9,910.08-13,676.04-5,718.24

Finding the Fourth Proportional to 9,910.08, 13,676.04 and 5,718.24

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Solution

The fourth proportional to 9,910.08, 13,676.04 and 5,718.24 is: 7,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.08 : 13,676.04 = 5,718.24 : x
  2. Step 2: Convert to fraction form
    9,910.08/13,676.04 = 5,718.24/x
  3. Step 3: Cross multiply
    9,910.08x = 13,676.04 × 5,718.24
  4. Step 4: Simplify right side
    9,910.08x = 78,202,878.97
  5. Step 5: Solve for x
    x = 78,202,878.97/9,910.08
  6. Step 6: Final answer
    x = 7,891.25

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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.