Home / 11,383.45-15,698.92-7,134.94

Finding the Fourth Proportional to 11,383.45, 15,698.92 and 7,134.94

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Solution

The fourth proportional to 11,383.45, 15,698.92 and 7,134.94 is: 9,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.45 : 15,698.92 = 7,134.94 : x
  2. Step 2: Convert to fraction form
    11,383.45/15,698.92 = 7,134.94/x
  3. Step 3: Cross multiply
    11,383.45x = 15,698.92 × 7,134.94
  4. Step 4: Simplify right side
    11,383.45x = 112,010,784.14
  5. Step 5: Solve for x
    x = 112,010,784.14/11,383.45
  6. Step 6: Final answer
    x = 9,839.79

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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.