Home / 9,147.36-13,719.45-2,571.99

Finding the Fourth Proportional to 9,147.36, 13,719.45 and 2,571.99

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Solution

The fourth proportional to 9,147.36, 13,719.45 and 2,571.99 is: 3,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.36 : 13,719.45 = 2,571.99 : x
  2. Step 2: Convert to fraction form
    9,147.36/13,719.45 = 2,571.99/x
  3. Step 3: Cross multiply
    9,147.36x = 13,719.45 × 2,571.99
  4. Step 4: Simplify right side
    9,147.36x = 35,286,288.21
  5. Step 5: Solve for x
    x = 35,286,288.21/9,147.36
  6. Step 6: Final answer
    x = 3,857.54

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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.