Home / 12,158.60-18,237.89-3,844.45

Finding the Fourth Proportional to 12,158.60, 18,237.89 and 3,844.45

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Solution

The fourth proportional to 12,158.60, 18,237.89 and 3,844.45 is: 5,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158.60 : 18,237.89 = 3,844.45 : x
  2. Step 2: Convert to fraction form
    12,158.60/18,237.89 = 3,844.45/x
  3. Step 3: Cross multiply
    12,158.60x = 18,237.89 × 3,844.45
  4. Step 4: Simplify right side
    12,158.60x = 70,114,591.39
  5. Step 5: Solve for x
    x = 70,114,591.39/12,158.60
  6. Step 6: Final answer
    x = 5,766.67

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Similar ratio
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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.