Home / 10,789.58-16,187.40-3,393.86

Finding the Fourth Proportional to 10,789.58, 16,187.40 and 3,393.86

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Solution

The fourth proportional to 10,789.58, 16,187.40 and 3,393.86 is: 5,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.58 : 16,187.40 = 3,393.86 : x
  2. Step 2: Convert to fraction form
    10,789.58/16,187.40 = 3,393.86/x
  3. Step 3: Cross multiply
    10,789.58x = 16,187.40 × 3,393.86
  4. Step 4: Simplify right side
    10,789.58x = 54,937,769.36
  5. Step 5: Solve for x
    x = 54,937,769.36/10,789.58
  6. Step 6: Final answer
    x = 5,091.74

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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.