Home / 11,688.00-17,531.84-4,289.56

Finding the Fourth Proportional to 11,688.00, 17,531.84 and 4,289.56

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Solution

The fourth proportional to 11,688.00, 17,531.84 and 4,289.56 is: 6,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.00 : 17,531.84 = 4,289.56 : x
  2. Step 2: Convert to fraction form
    11,688.00/17,531.84 = 4,289.56/x
  3. Step 3: Cross multiply
    11,688.00x = 17,531.84 × 4,289.56
  4. Step 4: Simplify right side
    11,688.00x = 75,203,846.48
  5. Step 5: Solve for x
    x = 75,203,846.48/11,688.00
  6. Step 6: Final answer
    x = 6,434.28

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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.