Home / 17,432.80-26,163.60-8,087.20

Finding the Fourth Proportional to 17,432.80, 26,163.60 and 8,087.20

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Solution

The fourth proportional to 17,432.80, 26,163.60 and 8,087.20 is: 12,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,432.80 : 26,163.60 = 8,087.20 : x
  2. Step 2: Convert to fraction form
    17,432.80/26,163.60 = 8,087.20/x
  3. Step 3: Cross multiply
    17,432.80x = 26,163.60 × 8,087.20
  4. Step 4: Simplify right side
    17,432.80x = 211,590,265.92
  5. Step 5: Solve for x
    x = 211,590,265.92/17,432.80
  6. Step 6: Final answer
    x = 12,137.48

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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.