Home / 13,035.28-17,993.07-8,127.64

Finding the Fourth Proportional to 13,035.28, 17,993.07 and 8,127.64

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Solution

The fourth proportional to 13,035.28, 17,993.07 and 8,127.64 is: 11,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.28 : 17,993.07 = 8,127.64 : x
  2. Step 2: Convert to fraction form
    13,035.28/17,993.07 = 8,127.64/x
  3. Step 3: Cross multiply
    13,035.28x = 17,993.07 × 8,127.64
  4. Step 4: Simplify right side
    13,035.28x = 146,241,195.45
  5. Step 5: Solve for x
    x = 146,241,195.45/13,035.28
  6. Step 6: Final answer
    x = 11,218.88

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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.