Home / 11,819.37-16,308.33-6,785.22

Finding the Fourth Proportional to 11,819.37, 16,308.33 and 6,785.22

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Solution

The fourth proportional to 11,819.37, 16,308.33 and 6,785.22 is: 9,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.37 : 16,308.33 = 6,785.22 : x
  2. Step 2: Convert to fraction form
    11,819.37/16,308.33 = 6,785.22/x
  3. Step 3: Cross multiply
    11,819.37x = 16,308.33 × 6,785.22
  4. Step 4: Simplify right side
    11,819.37x = 110,655,606.88
  5. Step 5: Solve for x
    x = 110,655,606.88/11,819.37
  6. Step 6: Final answer
    x = 9,362.23

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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.