Home / 13,186.44-19,773.36-4,415.10

Finding the Fourth Proportional to 13,186.44, 19,773.36 and 4,415.10

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Solution

The fourth proportional to 13,186.44, 19,773.36 and 4,415.10 is: 6,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.44 : 19,773.36 = 4,415.10 : x
  2. Step 2: Convert to fraction form
    13,186.44/19,773.36 = 4,415.10/x
  3. Step 3: Cross multiply
    13,186.44x = 19,773.36 × 4,415.10
  4. Step 4: Simplify right side
    13,186.44x = 87,301,361.74
  5. Step 5: Solve for x
    x = 87,301,361.74/13,186.44
  6. Step 6: Final answer
    x = 6,620.54

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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.