Home / 11,847.78-16,350.39-6,543.18

Finding the Fourth Proportional to 11,847.78, 16,350.39 and 6,543.18

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Solution

The fourth proportional to 11,847.78, 16,350.39 and 6,543.18 is: 9,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.78 : 16,350.39 = 6,543.18 : x
  2. Step 2: Convert to fraction form
    11,847.78/16,350.39 = 6,543.18/x
  3. Step 3: Cross multiply
    11,847.78x = 16,350.39 × 6,543.18
  4. Step 4: Simplify right side
    11,847.78x = 106,983,544.84
  5. Step 5: Solve for x
    x = 106,983,544.84/11,847.78
  6. Step 6: Final answer
    x = 9,029.84

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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.