Home / 18,954.37-28,431.33-8,566.12

Finding the Fourth Proportional to 18,954.37, 28,431.33 and 8,566.12

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Solution

The fourth proportional to 18,954.37, 28,431.33 and 8,566.12 is: 12,849.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.37 : 28,431.33 = 8,566.12 : x
  2. Step 2: Convert to fraction form
    18,954.37/28,431.33 = 8,566.12/x
  3. Step 3: Cross multiply
    18,954.37x = 28,431.33 × 8,566.12
  4. Step 4: Simplify right side
    18,954.37x = 243,546,184.54
  5. Step 5: Solve for x
    x = 243,546,184.54/18,954.37
  6. Step 6: Final answer
    x = 12,849.08

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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.