Home / 17,855.75-24,629.82-11,490.65

Finding the Fourth Proportional to 17,855.75, 24,629.82 and 11,490.65

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Solution

The fourth proportional to 17,855.75, 24,629.82 and 11,490.65 is: 15,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.75 : 24,629.82 = 11,490.65 : x
  2. Step 2: Convert to fraction form
    17,855.75/24,629.82 = 11,490.65/x
  3. Step 3: Cross multiply
    17,855.75x = 24,629.82 × 11,490.65
  4. Step 4: Simplify right side
    17,855.75x = 283,012,641.18
  5. Step 5: Solve for x
    x = 283,012,641.18/17,855.75
  6. Step 6: Final answer
    x = 15,849.94

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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.