Home / 12,825.56-19,239.66-3,465.63

Finding the Fourth Proportional to 12,825.56, 19,239.66 and 3,465.63

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Solution

The fourth proportional to 12,825.56, 19,239.66 and 3,465.63 is: 5,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.56 : 19,239.66 = 3,465.63 : x
  2. Step 2: Convert to fraction form
    12,825.56/19,239.66 = 3,465.63/x
  3. Step 3: Cross multiply
    12,825.56x = 19,239.66 × 3,465.63
  4. Step 4: Simplify right side
    12,825.56x = 66,677,542.89
  5. Step 5: Solve for x
    x = 66,677,542.89/12,825.56
  6. Step 6: Final answer
    x = 5,198.80

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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.