Home / 9,188.72-12,682.14-8,626.04

Finding the Fourth Proportional to 9,188.72, 12,682.14 and 8,626.04

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Solution

The fourth proportional to 9,188.72, 12,682.14 and 8,626.04 is: 11,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.72 : 12,682.14 = 8,626.04 : x
  2. Step 2: Convert to fraction form
    9,188.72/12,682.14 = 8,626.04/x
  3. Step 3: Cross multiply
    9,188.72x = 12,682.14 × 8,626.04
  4. Step 4: Simplify right side
    9,188.72x = 109,396,646.93
  5. Step 5: Solve for x
    x = 109,396,646.93/9,188.72
  6. Step 6: Final answer
    x = 11,905.54

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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.