Home / 12,394.82-18,627.77-11,554.65

Finding the Fourth Proportional to 12,394.82, 18,627.77 and 11,554.65

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Solution

The fourth proportional to 12,394.82, 18,627.77 and 11,554.65 is: 17,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.82 : 18,627.77 = 11,554.65 : x
  2. Step 2: Convert to fraction form
    12,394.82/18,627.77 = 11,554.65/x
  3. Step 3: Cross multiply
    12,394.82x = 18,627.77 × 11,554.65
  4. Step 4: Simplify right side
    12,394.82x = 215,237,391.52
  5. Step 5: Solve for x
    x = 215,237,391.52/12,394.82
  6. Step 6: Final answer
    x = 17,365.10

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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.