Home / 12,761.98-19,146.87-6,526.37

Finding the Fourth Proportional to 12,761.98, 19,146.87 and 6,526.37

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Solution

The fourth proportional to 12,761.98, 19,146.87 and 6,526.37 is: 9,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.98 : 19,146.87 = 6,526.37 : x
  2. Step 2: Convert to fraction form
    12,761.98/19,146.87 = 6,526.37/x
  3. Step 3: Cross multiply
    12,761.98x = 19,146.87 × 6,526.37
  4. Step 4: Simplify right side
    12,761.98x = 124,959,525.33
  5. Step 5: Solve for x
    x = 124,959,525.33/12,761.98
  6. Step 6: Final answer
    x = 9,791.55

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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.