Home / 8,019.12-12,028.68-5,263.24

Finding the Fourth Proportional to 8,019.12, 12,028.68 and 5,263.24

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Solution

The fourth proportional to 8,019.12, 12,028.68 and 5,263.24 is: 7,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.12 : 12,028.68 = 5,263.24 : x
  2. Step 2: Convert to fraction form
    8,019.12/12,028.68 = 5,263.24/x
  3. Step 3: Cross multiply
    8,019.12x = 12,028.68 × 5,263.24
  4. Step 4: Simplify right side
    8,019.12x = 63,309,829.72
  5. Step 5: Solve for x
    x = 63,309,829.72/8,019.12
  6. Step 6: Final answer
    x = 7,894.86

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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.