Home / 12,457.20-18,675.60-5,797.85

Finding the Fourth Proportional to 12,457.20, 18,675.60 and 5,797.85

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Solution

The fourth proportional to 12,457.20, 18,675.60 and 5,797.85 is: 8,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.20 : 18,675.60 = 5,797.85 : x
  2. Step 2: Convert to fraction form
    12,457.20/18,675.60 = 5,797.85/x
  3. Step 3: Cross multiply
    12,457.20x = 18,675.60 × 5,797.85
  4. Step 4: Simplify right side
    12,457.20x = 108,278,234.08
  5. Step 5: Solve for x
    x = 108,278,234.08/12,457.20
  6. Step 6: Final answer
    x = 8,692.02

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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.