Home / 8,143.03-12,215.21-2,299.69

Finding the Fourth Proportional to 8,143.03, 12,215.21 and 2,299.69

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Solution

The fourth proportional to 8,143.03, 12,215.21 and 2,299.69 is: 3,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.03 : 12,215.21 = 2,299.69 : x
  2. Step 2: Convert to fraction form
    8,143.03/12,215.21 = 2,299.69/x
  3. Step 3: Cross multiply
    8,143.03x = 12,215.21 × 2,299.69
  4. Step 4: Simplify right side
    8,143.03x = 28,091,200.06
  5. Step 5: Solve for x
    x = 28,091,200.06/8,143.03
  6. Step 6: Final answer
    x = 3,449.72

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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.