Home / 9,363.44-12,921.30-5,171.60

Finding the Fourth Proportional to 9,363.44, 12,921.30 and 5,171.60

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Solution

The fourth proportional to 9,363.44, 12,921.30 and 5,171.60 is: 7,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.44 : 12,921.30 = 5,171.60 : x
  2. Step 2: Convert to fraction form
    9,363.44/12,921.30 = 5,171.60/x
  3. Step 3: Cross multiply
    9,363.44x = 12,921.30 × 5,171.60
  4. Step 4: Simplify right side
    9,363.44x = 66,823,795.08
  5. Step 5: Solve for x
    x = 66,823,795.08/9,363.44
  6. Step 6: Final answer
    x = 7,136.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.