Home / 12,727.80-19,106.10-7,536.60

Finding the Fourth Proportional to 12,727.80, 19,106.10 and 7,536.60

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Solution

The fourth proportional to 12,727.80, 19,106.10 and 7,536.60 is: 11,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.80 : 19,106.10 = 7,536.60 : x
  2. Step 2: Convert to fraction form
    12,727.80/19,106.10 = 7,536.60/x
  3. Step 3: Cross multiply
    12,727.80x = 19,106.10 × 7,536.60
  4. Step 4: Simplify right side
    12,727.80x = 143,995,033.26
  5. Step 5: Solve for x
    x = 143,995,033.26/12,727.80
  6. Step 6: Final answer
    x = 11,313.43

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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.