Home / 13,241.58-19,865.55-4,921.86

Finding the Fourth Proportional to 13,241.58, 19,865.55 and 4,921.86

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Solution

The fourth proportional to 13,241.58, 19,865.55 and 4,921.86 is: 7,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.58 : 19,865.55 = 4,921.86 : x
  2. Step 2: Convert to fraction form
    13,241.58/19,865.55 = 4,921.86/x
  3. Step 3: Cross multiply
    13,241.58x = 19,865.55 × 4,921.86
  4. Step 4: Simplify right side
    13,241.58x = 97,775,548.88
  5. Step 5: Solve for x
    x = 97,775,548.88/13,241.58
  6. Step 6: Final answer
    x = 7,383.98

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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.