Home / 17,192.88-25,779.60-8,431.92

Finding the Fourth Proportional to 17,192.88, 25,779.60 and 8,431.92

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Solution

The fourth proportional to 17,192.88, 25,779.60 and 8,431.92 is: 12,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,192.88 : 25,779.60 = 8,431.92 : x
  2. Step 2: Convert to fraction form
    17,192.88/25,779.60 = 8,431.92/x
  3. Step 3: Cross multiply
    17,192.88x = 25,779.60 × 8,431.92
  4. Step 4: Simplify right side
    17,192.88x = 217,371,524.83
  5. Step 5: Solve for x
    x = 217,371,524.83/17,192.88
  6. Step 6: Final answer
    x = 12,643.11

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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.