Home / 17,906.42-26,857.15-4,759.86

Finding the Fourth Proportional to 17,906.42, 26,857.15 and 4,759.86

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Solution

The fourth proportional to 17,906.42, 26,857.15 and 4,759.86 is: 7,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.42 : 26,857.15 = 4,759.86 : x
  2. Step 2: Convert to fraction form
    17,906.42/26,857.15 = 4,759.86/x
  3. Step 3: Cross multiply
    17,906.42x = 26,857.15 × 4,759.86
  4. Step 4: Simplify right side
    17,906.42x = 127,836,274.00
  5. Step 5: Solve for x
    x = 127,836,274.00/17,906.42
  6. Step 6: Final answer
    x = 7,139.13

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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.