Home / 12,650.07-18,974.70-5,724.57

Finding the Fourth Proportional to 12,650.07, 18,974.70 and 5,724.57

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Solution

The fourth proportional to 12,650.07, 18,974.70 and 5,724.57 is: 8,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.07 : 18,974.70 = 5,724.57 : x
  2. Step 2: Convert to fraction form
    12,650.07/18,974.70 = 5,724.57/x
  3. Step 3: Cross multiply
    12,650.07x = 18,974.70 × 5,724.57
  4. Step 4: Simplify right side
    12,650.07x = 108,621,998.38
  5. Step 5: Solve for x
    x = 108,621,998.38/12,650.07
  6. Step 6: Final answer
    x = 8,586.67

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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.