Home / 11,903.91-16,428.37-6,600.44

Finding the Fourth Proportional to 11,903.91, 16,428.37 and 6,600.44

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Solution

The fourth proportional to 11,903.91, 16,428.37 and 6,600.44 is: 9,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.91 : 16,428.37 = 6,600.44 : x
  2. Step 2: Convert to fraction form
    11,903.91/16,428.37 = 6,600.44/x
  3. Step 3: Cross multiply
    11,903.91x = 16,428.37 × 6,600.44
  4. Step 4: Simplify right side
    11,903.91x = 108,434,470.48
  5. Step 5: Solve for x
    x = 108,434,470.48/11,903.91
  6. Step 6: Final answer
    x = 9,109.15

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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.