Home / 11,619.62-16,039.20-6,903.88

Finding the Fourth Proportional to 11,619.62, 16,039.20 and 6,903.88

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Solution

The fourth proportional to 11,619.62, 16,039.20 and 6,903.88 is: 9,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.62 : 16,039.20 = 6,903.88 : x
  2. Step 2: Convert to fraction form
    11,619.62/16,039.20 = 6,903.88/x
  3. Step 3: Cross multiply
    11,619.62x = 16,039.20 × 6,903.88
  4. Step 4: Simplify right side
    11,619.62x = 110,732,712.10
  5. Step 5: Solve for x
    x = 110,732,712.10/11,619.62
  6. Step 6: Final answer
    x = 9,529.80

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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.