Home / 13,537.98-20,306.88-3,677.22

Finding the Fourth Proportional to 13,537.98, 20,306.88 and 3,677.22

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Solution

The fourth proportional to 13,537.98, 20,306.88 and 3,677.22 is: 5,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.98 : 20,306.88 = 3,677.22 : x
  2. Step 2: Convert to fraction form
    13,537.98/20,306.88 = 3,677.22/x
  3. Step 3: Cross multiply
    13,537.98x = 20,306.88 × 3,677.22
  4. Step 4: Simplify right side
    13,537.98x = 74,672,865.27
  5. Step 5: Solve for x
    x = 74,672,865.27/13,537.98
  6. Step 6: Final answer
    x = 5,515.81

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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.