Home / 12,346.53-18,520.20-4,446.60

Finding the Fourth Proportional to 12,346.53, 18,520.20 and 4,446.60

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Solution

The fourth proportional to 12,346.53, 18,520.20 and 4,446.60 is: 6,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.53 : 18,520.20 = 4,446.60 : x
  2. Step 2: Convert to fraction form
    12,346.53/18,520.20 = 4,446.60/x
  3. Step 3: Cross multiply
    12,346.53x = 18,520.20 × 4,446.60
  4. Step 4: Simplify right side
    12,346.53x = 82,351,921.32
  5. Step 5: Solve for x
    x = 82,351,921.32/12,346.53
  6. Step 6: Final answer
    x = 6,670.05

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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.