Home / 9,850.29-13,579.70-7,750.77

Finding the Fourth Proportional to 9,850.29, 13,579.70 and 7,750.77

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Solution

The fourth proportional to 9,850.29, 13,579.70 and 7,750.77 is: 10,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,850.29 : 13,579.70 = 7,750.77 : x
  2. Step 2: Convert to fraction form
    9,850.29/13,579.70 = 7,750.77/x
  3. Step 3: Cross multiply
    9,850.29x = 13,579.70 × 7,750.77
  4. Step 4: Simplify right side
    9,850.29x = 105,253,092.62
  5. Step 5: Solve for x
    x = 105,253,092.62/9,850.29
  6. Step 6: Final answer
    x = 10,685.28

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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.