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Finding the Fourth Proportional to 8,896.21, 13,332.39 and 6,924.22

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Solution

The fourth proportional to 8,896.21, 13,332.39 and 6,924.22 is: 10,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.21 : 13,332.39 = 6,924.22 : x
  2. Step 2: Convert to fraction form
    8,896.21/13,332.39 = 6,924.22/x
  3. Step 3: Cross multiply
    8,896.21x = 13,332.39 × 6,924.22
  4. Step 4: Simplify right side
    8,896.21x = 92,316,401.49
  5. Step 5: Solve for x
    x = 92,316,401.49/8,896.21
  6. Step 6: Final answer
    x = 10,377.05

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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.