Home / 14,028.07-20,944.46-12,628.39

Finding the Fourth Proportional to 14,028.07, 20,944.46 and 12,628.39

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Solution

The fourth proportional to 14,028.07, 20,944.46 and 12,628.39 is: 18,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.07 : 20,944.46 = 12,628.39 : x
  2. Step 2: Convert to fraction form
    14,028.07/20,944.46 = 12,628.39/x
  3. Step 3: Cross multiply
    14,028.07x = 20,944.46 × 12,628.39
  4. Step 4: Simplify right side
    14,028.07x = 264,494,809.22
  5. Step 5: Solve for x
    x = 264,494,809.22/14,028.07
  6. Step 6: Final answer
    x = 18,854.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.