Home / 8,163.86-12,236.06-5,685.26

Finding the Fourth Proportional to 8,163.86, 12,236.06 and 5,685.26

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Solution

The fourth proportional to 8,163.86, 12,236.06 and 5,685.26 is: 8,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.86 : 12,236.06 = 5,685.26 : x
  2. Step 2: Convert to fraction form
    8,163.86/12,236.06 = 5,685.26/x
  3. Step 3: Cross multiply
    8,163.86x = 12,236.06 × 5,685.26
  4. Step 4: Simplify right side
    8,163.86x = 69,565,135.51
  5. Step 5: Solve for x
    x = 69,565,135.51/8,163.86
  6. Step 6: Final answer
    x = 8,521.11

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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.