Home / 13,102.16-19,653.24-5,311.12

Finding the Fourth Proportional to 13,102.16, 19,653.24 and 5,311.12

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Solution

The fourth proportional to 13,102.16, 19,653.24 and 5,311.12 is: 7,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.16 : 19,653.24 = 5,311.12 : x
  2. Step 2: Convert to fraction form
    13,102.16/19,653.24 = 5,311.12/x
  3. Step 3: Cross multiply
    13,102.16x = 19,653.24 × 5,311.12
  4. Step 4: Simplify right side
    13,102.16x = 104,380,716.03
  5. Step 5: Solve for x
    x = 104,380,716.03/13,102.16
  6. Step 6: Final answer
    x = 7,966.68

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Similar ratio
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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.