Home / 12,495.48-18,743.55-5,471.88

Finding the Fourth Proportional to 12,495.48, 18,743.55 and 5,471.88

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Solution

The fourth proportional to 12,495.48, 18,743.55 and 5,471.88 is: 8,207.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.48 : 18,743.55 = 5,471.88 : x
  2. Step 2: Convert to fraction form
    12,495.48/18,743.55 = 5,471.88/x
  3. Step 3: Cross multiply
    12,495.48x = 18,743.55 × 5,471.88
  4. Step 4: Simplify right side
    12,495.48x = 102,562,456.37
  5. Step 5: Solve for x
    x = 102,562,456.37/12,495.48
  6. Step 6: Final answer
    x = 8,207.96

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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.