Home / 13,765.36-20,648.04-5,974

Finding the Fourth Proportional to 13,765.36, 20,648.04 and 5,974

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Solution

The fourth proportional to 13,765.36, 20,648.04 and 5,974 is: 8,961

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.36 : 20,648.04 = 5,974 : x
  2. Step 2: Convert to fraction form
    13,765.36/20,648.04 = 5,974/x
  3. Step 3: Cross multiply
    13,765.36x = 20,648.04 × 5,974
  4. Step 4: Simplify right side
    13,765.36x = 123,351,390.96
  5. Step 5: Solve for x
    x = 123,351,390.96/13,765.36
  6. Step 6: Final answer
    x = 8,961

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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.