Home / 12,590.73-18,888.26-3,825.45

Finding the Fourth Proportional to 12,590.73, 18,888.26 and 3,825.45

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Solution

The fourth proportional to 12,590.73, 18,888.26 and 3,825.45 is: 5,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.73 : 18,888.26 = 3,825.45 : x
  2. Step 2: Convert to fraction form
    12,590.73/18,888.26 = 3,825.45/x
  3. Step 3: Cross multiply
    12,590.73x = 18,888.26 × 3,825.45
  4. Step 4: Simplify right side
    12,590.73x = 72,256,075.09
  5. Step 5: Solve for x
    x = 72,256,075.09/12,590.73
  6. Step 6: Final answer
    x = 5,738.83

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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.