Home / 12,149.03-18,223.50-3,829.77

Finding the Fourth Proportional to 12,149.03, 18,223.50 and 3,829.77

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Solution

The fourth proportional to 12,149.03, 18,223.50 and 3,829.77 is: 5,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149.03 : 18,223.50 = 3,829.77 : x
  2. Step 2: Convert to fraction form
    12,149.03/18,223.50 = 3,829.77/x
  3. Step 3: Cross multiply
    12,149.03x = 18,223.50 × 3,829.77
  4. Step 4: Simplify right side
    12,149.03x = 69,791,813.60
  5. Step 5: Solve for x
    x = 69,791,813.60/12,149.03
  6. Step 6: Final answer
    x = 5,744.64

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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.