Home / 9,697.42-13,383.69-5,919.79

Finding the Fourth Proportional to 9,697.42, 13,383.69 and 5,919.79

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Solution

The fourth proportional to 9,697.42, 13,383.69 and 5,919.79 is: 8,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,697.42 : 13,383.69 = 5,919.79 : x
  2. Step 2: Convert to fraction form
    9,697.42/13,383.69 = 5,919.79/x
  3. Step 3: Cross multiply
    9,697.42x = 13,383.69 × 5,919.79
  4. Step 4: Simplify right side
    9,697.42x = 79,228,634.23
  5. Step 5: Solve for x
    x = 79,228,634.23/9,697.42
  6. Step 6: Final answer
    x = 8,170.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.