Home / 13,241.56-18,272.64-7,576.42

Finding the Fourth Proportional to 13,241.56, 18,272.64 and 7,576.42

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Solution

The fourth proportional to 13,241.56, 18,272.64 and 7,576.42 is: 10,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.56 : 18,272.64 = 7,576.42 : x
  2. Step 2: Convert to fraction form
    13,241.56/18,272.64 = 7,576.42/x
  3. Step 3: Cross multiply
    13,241.56x = 18,272.64 × 7,576.42
  4. Step 4: Simplify right side
    13,241.56x = 138,441,195.15
  5. Step 5: Solve for x
    x = 138,441,195.15/13,241.56
  6. Step 6: Final answer
    x = 10,455.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.