Home / 19,018.82-28,530.97-5,872.23

Finding the Fourth Proportional to 19,018.82, 28,530.97 and 5,872.23

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Solution

The fourth proportional to 19,018.82, 28,530.97 and 5,872.23 is: 8,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,018.82 : 28,530.97 = 5,872.23 : x
  2. Step 2: Convert to fraction form
    19,018.82/28,530.97 = 5,872.23/x
  3. Step 3: Cross multiply
    19,018.82x = 28,530.97 × 5,872.23
  4. Step 4: Simplify right side
    19,018.82x = 167,540,403.28
  5. Step 5: Solve for x
    x = 167,540,403.28/19,018.82
  6. Step 6: Final answer
    x = 8,809.19

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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.