Home / 12,460.08-18,687.24-3,692.88

Finding the Fourth Proportional to 12,460.08, 18,687.24 and 3,692.88

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Solution

The fourth proportional to 12,460.08, 18,687.24 and 3,692.88 is: 5,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.08 : 18,687.24 = 3,692.88 : x
  2. Step 2: Convert to fraction form
    12,460.08/18,687.24 = 3,692.88/x
  3. Step 3: Cross multiply
    12,460.08x = 18,687.24 × 3,692.88
  4. Step 4: Simplify right side
    12,460.08x = 69,009,734.85
  5. Step 5: Solve for x
    x = 69,009,734.85/12,460.08
  6. Step 6: Final answer
    x = 5,538.47

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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.