Home / 19,106.37-28,645.65-12,850.83

Finding the Fourth Proportional to 19,106.37, 28,645.65 and 12,850.83

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Solution

The fourth proportional to 19,106.37, 28,645.65 and 12,850.83 is: 19,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.37 : 28,645.65 = 12,850.83 : x
  2. Step 2: Convert to fraction form
    19,106.37/28,645.65 = 12,850.83/x
  3. Step 3: Cross multiply
    19,106.37x = 28,645.65 × 12,850.83
  4. Step 4: Simplify right side
    19,106.37x = 368,120,378.39
  5. Step 5: Solve for x
    x = 368,120,378.39/19,106.37
  6. Step 6: Final answer
    x = 19,266.89

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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.