Home / 17,519.64-26,278.70-8,156.44

Finding the Fourth Proportional to 17,519.64, 26,278.70 and 8,156.44

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Solution

The fourth proportional to 17,519.64, 26,278.70 and 8,156.44 is: 12,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,519.64 : 26,278.70 = 8,156.44 : x
  2. Step 2: Convert to fraction form
    17,519.64/26,278.70 = 8,156.44/x
  3. Step 3: Cross multiply
    17,519.64x = 26,278.70 × 8,156.44
  4. Step 4: Simplify right side
    17,519.64x = 214,340,639.83
  5. Step 5: Solve for x
    x = 214,340,639.83/17,519.64
  6. Step 6: Final answer
    x = 12,234.31

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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.