Home / 19,486.64-29,230.32-6,338.96

Finding the Fourth Proportional to 19,486.64, 29,230.32 and 6,338.96

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Solution

The fourth proportional to 19,486.64, 29,230.32 and 6,338.96 is: 9,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.64 : 29,230.32 = 6,338.96 : x
  2. Step 2: Convert to fraction form
    19,486.64/29,230.32 = 6,338.96/x
  3. Step 3: Cross multiply
    19,486.64x = 29,230.32 × 6,338.96
  4. Step 4: Simplify right side
    19,486.64x = 185,289,829.27
  5. Step 5: Solve for x
    x = 185,289,829.27/19,486.64
  6. Step 6: Final answer
    x = 9,508.56

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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.