Home / 9,107.73-13,666.91-3,560.81

Finding the Fourth Proportional to 9,107.73, 13,666.91 and 3,560.81

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Solution

The fourth proportional to 9,107.73, 13,666.91 and 3,560.81 is: 5,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.73 : 13,666.91 = 3,560.81 : x
  2. Step 2: Convert to fraction form
    9,107.73/13,666.91 = 3,560.81/x
  3. Step 3: Cross multiply
    9,107.73x = 13,666.91 × 3,560.81
  4. Step 4: Simplify right side
    9,107.73x = 48,665,183.66
  5. Step 5: Solve for x
    x = 48,665,183.66/9,107.73
  6. Step 6: Final answer
    x = 5,343.28

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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.