Home / 17,771.88-26,660.56-6,679.35

Finding the Fourth Proportional to 17,771.88, 26,660.56 and 6,679.35

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Solution

The fourth proportional to 17,771.88, 26,660.56 and 6,679.35 is: 10,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.88 : 26,660.56 = 6,679.35 : x
  2. Step 2: Convert to fraction form
    17,771.88/26,660.56 = 6,679.35/x
  3. Step 3: Cross multiply
    17,771.88x = 26,660.56 × 6,679.35
  4. Step 4: Simplify right side
    17,771.88x = 178,075,141.59
  5. Step 5: Solve for x
    x = 178,075,141.59/17,771.88
  6. Step 6: Final answer
    x = 10,020.05

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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.