Home / 12,348.45-18,525.60-4,028.47

Finding the Fourth Proportional to 12,348.45, 18,525.60 and 4,028.47

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Solution

The fourth proportional to 12,348.45, 18,525.60 and 4,028.47 is: 6,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.45 : 18,525.60 = 4,028.47 : x
  2. Step 2: Convert to fraction form
    12,348.45/18,525.60 = 4,028.47/x
  3. Step 3: Cross multiply
    12,348.45x = 18,525.60 × 4,028.47
  4. Step 4: Simplify right side
    12,348.45x = 74,629,792.62
  5. Step 5: Solve for x
    x = 74,629,792.62/12,348.45
  6. Step 6: Final answer
    x = 6,043.66

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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.