Home / 12,624.45-18,940.37-3,740.01

Finding the Fourth Proportional to 12,624.45, 18,940.37 and 3,740.01

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Solution

The fourth proportional to 12,624.45, 18,940.37 and 3,740.01 is: 5,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.45 : 18,940.37 = 3,740.01 : x
  2. Step 2: Convert to fraction form
    12,624.45/18,940.37 = 3,740.01/x
  3. Step 3: Cross multiply
    12,624.45x = 18,940.37 × 3,740.01
  4. Step 4: Simplify right side
    12,624.45x = 70,837,173.20
  5. Step 5: Solve for x
    x = 70,837,173.20/12,624.45
  6. Step 6: Final answer
    x = 5,611.11

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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.