Home / 13,692.29-20,539.88-4,333.60

Finding the Fourth Proportional to 13,692.29, 20,539.88 and 4,333.60

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Solution

The fourth proportional to 13,692.29, 20,539.88 and 4,333.60 is: 6,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.29 : 20,539.88 = 4,333.60 : x
  2. Step 2: Convert to fraction form
    13,692.29/20,539.88 = 4,333.60/x
  3. Step 3: Cross multiply
    13,692.29x = 20,539.88 × 4,333.60
  4. Step 4: Simplify right side
    13,692.29x = 89,011,644.23
  5. Step 5: Solve for x
    x = 89,011,644.23/13,692.29
  6. Step 6: Final answer
    x = 6,500.86

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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.