Home / 12,391.96-18,586.59-3,626.95

Finding the Fourth Proportional to 12,391.96, 18,586.59 and 3,626.95

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Solution

The fourth proportional to 12,391.96, 18,586.59 and 3,626.95 is: 5,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.96 : 18,586.59 = 3,626.95 : x
  2. Step 2: Convert to fraction form
    12,391.96/18,586.59 = 3,626.95/x
  3. Step 3: Cross multiply
    12,391.96x = 18,586.59 × 3,626.95
  4. Step 4: Simplify right side
    12,391.96x = 67,412,632.60
  5. Step 5: Solve for x
    x = 67,412,632.60/12,391.96
  6. Step 6: Final answer
    x = 5,440.03

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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.