Home / 12,399.70-18,597.11-3,632.26

Finding the Fourth Proportional to 12,399.70, 18,597.11 and 3,632.26

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Solution

The fourth proportional to 12,399.70, 18,597.11 and 3,632.26 is: 5,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.70 : 18,597.11 = 3,632.26 : x
  2. Step 2: Convert to fraction form
    12,399.70/18,597.11 = 3,632.26/x
  3. Step 3: Cross multiply
    12,399.70x = 18,597.11 × 3,632.26
  4. Step 4: Simplify right side
    12,399.70x = 67,549,538.77
  5. Step 5: Solve for x
    x = 67,549,538.77/12,399.70
  6. Step 6: Final answer
    x = 5,447.68

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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.