Home / 13,692.83-20,539.11-4,332.86

Finding the Fourth Proportional to 13,692.83, 20,539.11 and 4,332.86

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Solution

The fourth proportional to 13,692.83, 20,539.11 and 4,332.86 is: 6,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.83 : 20,539.11 = 4,332.86 : x
  2. Step 2: Convert to fraction form
    13,692.83/20,539.11 = 4,332.86/x
  3. Step 3: Cross multiply
    13,692.83x = 20,539.11 × 4,332.86
  4. Step 4: Simplify right side
    13,692.83x = 88,993,078.73
  5. Step 5: Solve for x
    x = 88,993,078.73/13,692.83
  6. Step 6: Final answer
    x = 6,499.25

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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.