Home / 19,605.88-27,054.18-11,107.36

Finding the Fourth Proportional to 19,605.88, 27,054.18 and 11,107.36

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Solution

The fourth proportional to 19,605.88, 27,054.18 and 11,107.36 is: 15,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.88 : 27,054.18 = 11,107.36 : x
  2. Step 2: Convert to fraction form
    19,605.88/27,054.18 = 11,107.36/x
  3. Step 3: Cross multiply
    19,605.88x = 27,054.18 × 11,107.36
  4. Step 4: Simplify right side
    19,605.88x = 300,500,516.76
  5. Step 5: Solve for x
    x = 300,500,516.76/19,605.88
  6. Step 6: Final answer
    x = 15,327.06

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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.