Home / 11,455.65-17,169.12-6,190.47

Finding the Fourth Proportional to 11,455.65, 17,169.12 and 6,190.47

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Solution

The fourth proportional to 11,455.65, 17,169.12 and 6,190.47 is: 9,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.65 : 17,169.12 = 6,190.47 : x
  2. Step 2: Convert to fraction form
    11,455.65/17,169.12 = 6,190.47/x
  3. Step 3: Cross multiply
    11,455.65x = 17,169.12 × 6,190.47
  4. Step 4: Simplify right side
    11,455.65x = 106,284,922.29
  5. Step 5: Solve for x
    x = 106,284,922.29/11,455.65
  6. Step 6: Final answer
    x = 9,277.95

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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.