Home / 17,378.64-26,044.47-12,676.59

Finding the Fourth Proportional to 17,378.64, 26,044.47 and 12,676.59

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Solution

The fourth proportional to 17,378.64, 26,044.47 and 12,676.59 is: 18,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.64 : 26,044.47 = 12,676.59 : x
  2. Step 2: Convert to fraction form
    17,378.64/26,044.47 = 12,676.59/x
  3. Step 3: Cross multiply
    17,378.64x = 26,044.47 × 12,676.59
  4. Step 4: Simplify right side
    17,378.64x = 330,155,067.96
  5. Step 5: Solve for x
    x = 330,155,067.96/17,378.64
  6. Step 6: Final answer
    x = 18,997.75

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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.