Home / 13,537.88-20,304.72-4,771.52

Finding the Fourth Proportional to 13,537.88, 20,304.72 and 4,771.52

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Solution

The fourth proportional to 13,537.88, 20,304.72 and 4,771.52 is: 7,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.88 : 20,304.72 = 4,771.52 : x
  2. Step 2: Convert to fraction form
    13,537.88/20,304.72 = 4,771.52/x
  3. Step 3: Cross multiply
    13,537.88x = 20,304.72 × 4,771.52
  4. Step 4: Simplify right side
    13,537.88x = 96,884,377.57
  5. Step 5: Solve for x
    x = 96,884,377.57/13,537.88
  6. Step 6: Final answer
    x = 7,156.54

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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.