Home / 12,771.07-19,139.96-6,525.82

Finding the Fourth Proportional to 12,771.07, 19,139.96 and 6,525.82

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Solution

The fourth proportional to 12,771.07, 19,139.96 and 6,525.82 is: 9,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.07 : 19,139.96 = 6,525.82 : x
  2. Step 2: Convert to fraction form
    12,771.07/19,139.96 = 6,525.82/x
  3. Step 3: Cross multiply
    12,771.07x = 19,139.96 × 6,525.82
  4. Step 4: Simplify right side
    12,771.07x = 124,903,933.77
  5. Step 5: Solve for x
    x = 124,903,933.77/12,771.07
  6. Step 6: Final answer
    x = 9,780.22

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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.