Home / 20,019.19-27,629.23-11,521.14

Finding the Fourth Proportional to 20,019.19, 27,629.23 and 11,521.14

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Solution

The fourth proportional to 20,019.19, 27,629.23 and 11,521.14 is: 15,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.19 : 27,629.23 = 11,521.14 : x
  2. Step 2: Convert to fraction form
    20,019.19/27,629.23 = 11,521.14/x
  3. Step 3: Cross multiply
    20,019.19x = 27,629.23 × 11,521.14
  4. Step 4: Simplify right side
    20,019.19x = 318,320,226.92
  5. Step 5: Solve for x
    x = 318,320,226.92/20,019.19
  6. Step 6: Final answer
    x = 15,900.75

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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.