Home / 13,945.54-19,236.81-8,353.30

Finding the Fourth Proportional to 13,945.54, 19,236.81 and 8,353.30

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Solution

The fourth proportional to 13,945.54, 19,236.81 and 8,353.30 is: 11,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.54 : 19,236.81 = 8,353.30 : x
  2. Step 2: Convert to fraction form
    13,945.54/19,236.81 = 8,353.30/x
  3. Step 3: Cross multiply
    13,945.54x = 19,236.81 × 8,353.30
  4. Step 4: Simplify right side
    13,945.54x = 160,690,844.97
  5. Step 5: Solve for x
    x = 160,690,844.97/13,945.54
  6. Step 6: Final answer
    x = 11,522.74

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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.