Home / 18,848.37-28,229.49-8,994.57

Finding the Fourth Proportional to 18,848.37, 28,229.49 and 8,994.57

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Solution

The fourth proportional to 18,848.37, 28,229.49 and 8,994.57 is: 13,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.37 : 28,229.49 = 8,994.57 : x
  2. Step 2: Convert to fraction form
    18,848.37/28,229.49 = 8,994.57/x
  3. Step 3: Cross multiply
    18,848.37x = 28,229.49 × 8,994.57
  4. Step 4: Simplify right side
    18,848.37x = 253,912,018.01
  5. Step 5: Solve for x
    x = 253,912,018.01/18,848.37
  6. Step 6: Final answer
    x = 13,471.30

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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.