Home / 8,176.21-12,267.92-6,343.25

Finding the Fourth Proportional to 8,176.21, 12,267.92 and 6,343.25

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Solution

The fourth proportional to 8,176.21, 12,267.92 and 6,343.25 is: 9,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.21 : 12,267.92 = 6,343.25 : x
  2. Step 2: Convert to fraction form
    8,176.21/12,267.92 = 6,343.25/x
  3. Step 3: Cross multiply
    8,176.21x = 12,267.92 × 6,343.25
  4. Step 4: Simplify right side
    8,176.21x = 77,818,438.06
  5. Step 5: Solve for x
    x = 77,818,438.06/8,176.21
  6. Step 6: Final answer
    x = 9,517.67

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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.