Home / 13,892.08-19,155.78-8,850.64

Finding the Fourth Proportional to 13,892.08, 19,155.78 and 8,850.64

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Solution

The fourth proportional to 13,892.08, 19,155.78 and 8,850.64 is: 12,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.08 : 19,155.78 = 8,850.64 : x
  2. Step 2: Convert to fraction form
    13,892.08/19,155.78 = 8,850.64/x
  3. Step 3: Cross multiply
    13,892.08x = 19,155.78 × 8,850.64
  4. Step 4: Simplify right side
    13,892.08x = 169,540,912.70
  5. Step 5: Solve for x
    x = 169,540,912.70/13,892.08
  6. Step 6: Final answer
    x = 12,204.14

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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.