Home / 13,692.62-20,531.48-4,329.98

Finding the Fourth Proportional to 13,692.62, 20,531.48 and 4,329.98

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Solution

The fourth proportional to 13,692.62, 20,531.48 and 4,329.98 is: 6,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.62 : 20,531.48 = 4,329.98 : x
  2. Step 2: Convert to fraction form
    13,692.62/20,531.48 = 4,329.98/x
  3. Step 3: Cross multiply
    13,692.62x = 20,531.48 × 4,329.98
  4. Step 4: Simplify right side
    13,692.62x = 88,900,897.77
  5. Step 5: Solve for x
    x = 88,900,897.77/13,692.62
  6. Step 6: Final answer
    x = 6,492.61

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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.