Home / 12,002.98-18,007.81-3,683.27

Finding the Fourth Proportional to 12,002.98, 18,007.81 and 3,683.27

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Solution

The fourth proportional to 12,002.98, 18,007.81 and 3,683.27 is: 5,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,002.98 : 18,007.81 = 3,683.27 : x
  2. Step 2: Convert to fraction form
    12,002.98/18,007.81 = 3,683.27/x
  3. Step 3: Cross multiply
    12,002.98x = 18,007.81 × 3,683.27
  4. Step 4: Simplify right side
    12,002.98x = 66,327,626.34
  5. Step 5: Solve for x
    x = 66,327,626.34/12,002.98
  6. Step 6: Final answer
    x = 5,525.93

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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.