Home / 8,630.14-12,967.08-5,511.64

Finding the Fourth Proportional to 8,630.14, 12,967.08 and 5,511.64

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Solution

The fourth proportional to 8,630.14, 12,967.08 and 5,511.64 is: 8,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.14 : 12,967.08 = 5,511.64 : x
  2. Step 2: Convert to fraction form
    8,630.14/12,967.08 = 5,511.64/x
  3. Step 3: Cross multiply
    8,630.14x = 12,967.08 × 5,511.64
  4. Step 4: Simplify right side
    8,630.14x = 71,469,876.81
  5. Step 5: Solve for x
    x = 71,469,876.81/8,630.14
  6. Step 6: Final answer
    x = 8,281.43

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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.