Home / 12,675.20-19,004.70-5,282.60

Finding the Fourth Proportional to 12,675.20, 19,004.70 and 5,282.60

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Solution

The fourth proportional to 12,675.20, 19,004.70 and 5,282.60 is: 7,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.20 : 19,004.70 = 5,282.60 : x
  2. Step 2: Convert to fraction form
    12,675.20/19,004.70 = 5,282.60/x
  3. Step 3: Cross multiply
    12,675.20x = 19,004.70 × 5,282.60
  4. Step 4: Simplify right side
    12,675.20x = 100,394,228.22
  5. Step 5: Solve for x
    x = 100,394,228.22/12,675.20
  6. Step 6: Final answer
    x = 7,920.52

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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.