Home / 11,576.40-17,340.30-9,099.42

Finding the Fourth Proportional to 11,576.40, 17,340.30 and 9,099.42

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Solution

The fourth proportional to 11,576.40, 17,340.30 and 9,099.42 is: 13,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.40 : 17,340.30 = 9,099.42 : x
  2. Step 2: Convert to fraction form
    11,576.40/17,340.30 = 9,099.42/x
  3. Step 3: Cross multiply
    11,576.40x = 17,340.30 × 9,099.42
  4. Step 4: Simplify right side
    11,576.40x = 157,786,672.63
  5. Step 5: Solve for x
    x = 157,786,672.63/11,576.40
  6. Step 6: Final answer
    x = 13,630.03

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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.