Home / 8,369.28-12,536.91-6,716.88

Finding the Fourth Proportional to 8,369.28, 12,536.91 and 6,716.88

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Solution

The fourth proportional to 8,369.28, 12,536.91 and 6,716.88 is: 10,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.28 : 12,536.91 = 6,716.88 : x
  2. Step 2: Convert to fraction form
    8,369.28/12,536.91 = 6,716.88/x
  3. Step 3: Cross multiply
    8,369.28x = 12,536.91 × 6,716.88
  4. Step 4: Simplify right side
    8,369.28x = 84,208,920.04
  5. Step 5: Solve for x
    x = 84,208,920.04/8,369.28
  6. Step 6: Final answer
    x = 10,061.67

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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.