Home / 13,600.42-20,391.64-6,566.52

Finding the Fourth Proportional to 13,600.42, 20,391.64 and 6,566.52

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Solution

The fourth proportional to 13,600.42, 20,391.64 and 6,566.52 is: 9,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.42 : 20,391.64 = 6,566.52 : x
  2. Step 2: Convert to fraction form
    13,600.42/20,391.64 = 6,566.52/x
  3. Step 3: Cross multiply
    13,600.42x = 20,391.64 × 6,566.52
  4. Step 4: Simplify right side
    13,600.42x = 133,902,111.89
  5. Step 5: Solve for x
    x = 133,902,111.89/13,600.42
  6. Step 6: Final answer
    x = 9,845.44

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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.