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Finding the Fourth Proportional to 9,168.18, 12,633.94 and 6,508.14

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Solution

The fourth proportional to 9,168.18, 12,633.94 and 6,508.14 is: 8,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.18 : 12,633.94 = 6,508.14 : x
  2. Step 2: Convert to fraction form
    9,168.18/12,633.94 = 6,508.14/x
  3. Step 3: Cross multiply
    9,168.18x = 12,633.94 × 6,508.14
  4. Step 4: Simplify right side
    9,168.18x = 82,223,450.27
  5. Step 5: Solve for x
    x = 82,223,450.27/9,168.18
  6. Step 6: Final answer
    x = 8,968.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.