Home / 26,512.09-39,714.42-12,260.31

Finding the Fourth Proportional to 26,512.09, 39,714.42 and 12,260.31

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Solution

The fourth proportional to 26,512.09, 39,714.42 and 12,260.31 is: 18,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.09 : 39,714.42 = 12,260.31 : x
  2. Step 2: Convert to fraction form
    26,512.09/39,714.42 = 12,260.31/x
  3. Step 3: Cross multiply
    26,512.09x = 39,714.42 × 12,260.31
  4. Step 4: Simplify right side
    26,512.09x = 486,911,100.67
  5. Step 5: Solve for x
    x = 486,911,100.67/26,512.09
  6. Step 6: Final answer
    x = 18,365.62

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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.