Home / 17,508.88-26,274.30-12,756.28

Finding the Fourth Proportional to 17,508.88, 26,274.30 and 12,756.28

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Solution

The fourth proportional to 17,508.88, 26,274.30 and 12,756.28 is: 19,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.88 : 26,274.30 = 12,756.28 : x
  2. Step 2: Convert to fraction form
    17,508.88/26,274.30 = 12,756.28/x
  3. Step 3: Cross multiply
    17,508.88x = 26,274.30 × 12,756.28
  4. Step 4: Simplify right side
    17,508.88x = 335,162,327.60
  5. Step 5: Solve for x
    x = 335,162,327.60/17,508.88
  6. Step 6: Final answer
    x = 19,142.42

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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.