Home / 18,744.08-28,088.37-8,204.36

Finding the Fourth Proportional to 18,744.08, 28,088.37 and 8,204.36

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Solution

The fourth proportional to 18,744.08, 28,088.37 and 8,204.36 is: 12,294.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.08 : 28,088.37 = 8,204.36 : x
  2. Step 2: Convert to fraction form
    18,744.08/28,088.37 = 8,204.36/x
  3. Step 3: Cross multiply
    18,744.08x = 28,088.37 × 8,204.36
  4. Step 4: Simplify right side
    18,744.08x = 230,446,958.85
  5. Step 5: Solve for x
    x = 230,446,958.85/18,744.08
  6. Step 6: Final answer
    x = 12,294.39

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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.