Home / 13,524.56-20,285.28-3,664.59

Finding the Fourth Proportional to 13,524.56, 20,285.28 and 3,664.59

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Solution

The fourth proportional to 13,524.56, 20,285.28 and 3,664.59 is: 5,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.56 : 20,285.28 = 3,664.59 : x
  2. Step 2: Convert to fraction form
    13,524.56/20,285.28 = 3,664.59/x
  3. Step 3: Cross multiply
    13,524.56x = 20,285.28 × 3,664.59
  4. Step 4: Simplify right side
    13,524.56x = 74,337,144.42
  5. Step 5: Solve for x
    x = 74,337,144.42/13,524.56
  6. Step 6: Final answer
    x = 5,496.45

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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.