Home / 8,789.76-13,194.96-6,942.24

Finding the Fourth Proportional to 8,789.76, 13,194.96 and 6,942.24

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Solution

The fourth proportional to 8,789.76, 13,194.96 and 6,942.24 is: 10,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.76 : 13,194.96 = 6,942.24 : x
  2. Step 2: Convert to fraction form
    8,789.76/13,194.96 = 6,942.24/x
  3. Step 3: Cross multiply
    8,789.76x = 13,194.96 × 6,942.24
  4. Step 4: Simplify right side
    8,789.76x = 91,602,579.11
  5. Step 5: Solve for x
    x = 91,602,579.11/8,789.76
  6. Step 6: Final answer
    x = 10,421.51

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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.