Home / 9,146.37-13,719.53-2,220.87

Finding the Fourth Proportional to 9,146.37, 13,719.53 and 2,220.87

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Solution

The fourth proportional to 9,146.37, 13,719.53 and 2,220.87 is: 3,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.37 : 13,719.53 = 2,220.87 : x
  2. Step 2: Convert to fraction form
    9,146.37/13,719.53 = 2,220.87/x
  3. Step 3: Cross multiply
    9,146.37x = 13,719.53 × 2,220.87
  4. Step 4: Simplify right side
    9,146.37x = 30,469,259.93
  5. Step 5: Solve for x
    x = 30,469,259.93/9,146.37
  6. Step 6: Final answer
    x = 3,331.30

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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.