Home / 8,143.56-12,217.40-2,300.17

Finding the Fourth Proportional to 8,143.56, 12,217.40 and 2,300.17

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Solution

The fourth proportional to 8,143.56, 12,217.40 and 2,300.17 is: 3,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.56 : 12,217.40 = 2,300.17 : x
  2. Step 2: Convert to fraction form
    8,143.56/12,217.40 = 2,300.17/x
  3. Step 3: Cross multiply
    8,143.56x = 12,217.40 × 2,300.17
  4. Step 4: Simplify right side
    8,143.56x = 28,102,120.81
  5. Step 5: Solve for x
    x = 28,102,120.81/8,143.56
  6. Step 6: Final answer
    x = 3,450.84

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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.