Home / 12,771.69-19,161.45-6,536.14

Finding the Fourth Proportional to 12,771.69, 19,161.45 and 6,536.14

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Solution

The fourth proportional to 12,771.69, 19,161.45 and 6,536.14 is: 9,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.69 : 19,161.45 = 6,536.14 : x
  2. Step 2: Convert to fraction form
    12,771.69/19,161.45 = 6,536.14/x
  3. Step 3: Cross multiply
    12,771.69x = 19,161.45 × 6,536.14
  4. Step 4: Simplify right side
    12,771.69x = 125,241,871.90
  5. Step 5: Solve for x
    x = 125,241,871.90/12,771.69
  6. Step 6: Final answer
    x = 9,806.21

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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.