Home / 12,772.12-19,169.77-6,536.44

Finding the Fourth Proportional to 12,772.12, 19,169.77 and 6,536.44

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Solution

The fourth proportional to 12,772.12, 19,169.77 and 6,536.44 is: 9,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.12 : 19,169.77 = 6,536.44 : x
  2. Step 2: Convert to fraction form
    12,772.12/19,169.77 = 6,536.44/x
  3. Step 3: Cross multiply
    12,772.12x = 19,169.77 × 6,536.44
  4. Step 4: Simplify right side
    12,772.12x = 125,302,051.42
  5. Step 5: Solve for x
    x = 125,302,051.42/12,772.12
  6. Step 6: Final answer
    x = 9,810.59

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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.