Home / 13,157.56-19,736.34-3,923.56

Finding the Fourth Proportional to 13,157.56, 19,736.34 and 3,923.56

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Solution

The fourth proportional to 13,157.56, 19,736.34 and 3,923.56 is: 5,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.56 : 19,736.34 = 3,923.56 : x
  2. Step 2: Convert to fraction form
    13,157.56/19,736.34 = 3,923.56/x
  3. Step 3: Cross multiply
    13,157.56x = 19,736.34 × 3,923.56
  4. Step 4: Simplify right side
    13,157.56x = 77,436,714.17
  5. Step 5: Solve for x
    x = 77,436,714.17/13,157.56
  6. Step 6: Final answer
    x = 5,885.34

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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.