Home / 19,758.06-27,267.98-11,260.62

Finding the Fourth Proportional to 19,758.06, 27,267.98 and 11,260.62

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Solution

The fourth proportional to 19,758.06, 27,267.98 and 11,260.62 is: 15,540.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.06 : 27,267.98 = 11,260.62 : x
  2. Step 2: Convert to fraction form
    19,758.06/27,267.98 = 11,260.62/x
  3. Step 3: Cross multiply
    19,758.06x = 27,267.98 × 11,260.62
  4. Step 4: Simplify right side
    19,758.06x = 307,054,304.64
  5. Step 5: Solve for x
    x = 307,054,304.64/19,758.06
  6. Step 6: Final answer
    x = 15,540.71

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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.