Home / 10,163.64-15,183.87-6,436.02

Finding the Fourth Proportional to 10,163.64, 15,183.87 and 6,436.02

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Solution

The fourth proportional to 10,163.64, 15,183.87 and 6,436.02 is: 9,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.64 : 15,183.87 = 6,436.02 : x
  2. Step 2: Convert to fraction form
    10,163.64/15,183.87 = 6,436.02/x
  3. Step 3: Cross multiply
    10,163.64x = 15,183.87 × 6,436.02
  4. Step 4: Simplify right side
    10,163.64x = 97,723,691.00
  5. Step 5: Solve for x
    x = 97,723,691.00/10,163.64
  6. Step 6: Final answer
    x = 9,615.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.