Home / 19,954.87-27,537.80-11,002.20

Finding the Fourth Proportional to 19,954.87, 27,537.80 and 11,002.20

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Solution

The fourth proportional to 19,954.87, 27,537.80 and 11,002.20 is: 15,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.87 : 27,537.80 = 11,002.20 : x
  2. Step 2: Convert to fraction form
    19,954.87/27,537.80 = 11,002.20/x
  3. Step 3: Cross multiply
    19,954.87x = 27,537.80 × 11,002.20
  4. Step 4: Simplify right side
    19,954.87x = 302,976,224.88
  5. Step 5: Solve for x
    x = 302,976,224.88/19,954.87
  6. Step 6: Final answer
    x = 15,183.07

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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.