Home / 11,622.08-17,432.96-8,174.72

Finding the Fourth Proportional to 11,622.08, 17,432.96 and 8,174.72

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Solution

The fourth proportional to 11,622.08, 17,432.96 and 8,174.72 is: 12,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.08 : 17,432.96 = 8,174.72 : x
  2. Step 2: Convert to fraction form
    11,622.08/17,432.96 = 8,174.72/x
  3. Step 3: Cross multiply
    11,622.08x = 17,432.96 × 8,174.72
  4. Step 4: Simplify right side
    11,622.08x = 142,509,566.77
  5. Step 5: Solve for x
    x = 142,509,566.77/11,622.08
  6. Step 6: Final answer
    x = 12,261.97

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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.