Home / 17,770.56-26,659.44-5,290.80

Finding the Fourth Proportional to 17,770.56, 26,659.44 and 5,290.80

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Solution

The fourth proportional to 17,770.56, 26,659.44 and 5,290.80 is: 7,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.56 : 26,659.44 = 5,290.80 : x
  2. Step 2: Convert to fraction form
    17,770.56/26,659.44 = 5,290.80/x
  3. Step 3: Cross multiply
    17,770.56x = 26,659.44 × 5,290.80
  4. Step 4: Simplify right side
    17,770.56x = 141,049,765.15
  5. Step 5: Solve for x
    x = 141,049,765.15/17,770.56
  6. Step 6: Final answer
    x = 7,937.27

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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.