Home / 13,692.87-20,539.31-4,927.56

Finding the Fourth Proportional to 13,692.87, 20,539.31 and 4,927.56

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Solution

The fourth proportional to 13,692.87, 20,539.31 and 4,927.56 is: 7,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.87 : 20,539.31 = 4,927.56 : x
  2. Step 2: Convert to fraction form
    13,692.87/20,539.31 = 4,927.56/x
  3. Step 3: Cross multiply
    13,692.87x = 20,539.31 × 4,927.56
  4. Step 4: Simplify right side
    13,692.87x = 101,208,657.75
  5. Step 5: Solve for x
    x = 101,208,657.75/13,692.87
  6. Step 6: Final answer
    x = 7,391.34

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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.