Home / 12,400.58-18,601.00-3,635.67

Finding the Fourth Proportional to 12,400.58, 18,601.00 and 3,635.67

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Solution

The fourth proportional to 12,400.58, 18,601.00 and 3,635.67 is: 5,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.58 : 18,601.00 = 3,635.67 : x
  2. Step 2: Convert to fraction form
    12,400.58/18,601.00 = 3,635.67/x
  3. Step 3: Cross multiply
    12,400.58x = 18,601.00 × 3,635.67
  4. Step 4: Simplify right side
    12,400.58x = 67,627,013.75
  5. Step 5: Solve for x
    x = 67,627,013.75/12,400.58
  6. Step 6: Final answer
    x = 5,453.54

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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.