Home / 13,528.88-20,299.08-11,576.24

Finding the Fourth Proportional to 13,528.88, 20,299.08 and 11,576.24

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Solution

The fourth proportional to 13,528.88, 20,299.08 and 11,576.24 is: 17,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.88 : 20,299.08 = 11,576.24 : x
  2. Step 2: Convert to fraction form
    13,528.88/20,299.08 = 11,576.24/x
  3. Step 3: Cross multiply
    13,528.88x = 20,299.08 × 11,576.24
  4. Step 4: Simplify right side
    13,528.88x = 234,987,021.86
  5. Step 5: Solve for x
    x = 234,987,021.86/13,528.88
  6. Step 6: Final answer
    x = 17,369.29

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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.