Home / 13,101.89-19,655.72-3,741.69

Finding the Fourth Proportional to 13,101.89, 19,655.72 and 3,741.69

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Solution

The fourth proportional to 13,101.89, 19,655.72 and 3,741.69 is: 5,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.89 : 19,655.72 = 3,741.69 : x
  2. Step 2: Convert to fraction form
    13,101.89/19,655.72 = 3,741.69/x
  3. Step 3: Cross multiply
    13,101.89x = 19,655.72 × 3,741.69
  4. Step 4: Simplify right side
    13,101.89x = 73,545,592.26
  5. Step 5: Solve for x
    x = 73,545,592.26/13,101.89
  6. Step 6: Final answer
    x = 5,613.36

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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.