Home / 13,652.43-18,837-8,345.31

Finding the Fourth Proportional to 13,652.43, 18,837 and 8,345.31

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Solution

The fourth proportional to 13,652.43, 18,837 and 8,345.31 is: 11,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.43 : 18,837 = 8,345.31 : x
  2. Step 2: Convert to fraction form
    13,652.43/18,837 = 8,345.31/x
  3. Step 3: Cross multiply
    13,652.43x = 18,837 × 8,345.31
  4. Step 4: Simplify right side
    13,652.43x = 157,200,604.47
  5. Step 5: Solve for x
    x = 157,200,604.47/13,652.43
  6. Step 6: Final answer
    x = 11,514.48

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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.