Home / 19,178.96-26,467.14-11,221.36

Finding the Fourth Proportional to 19,178.96, 26,467.14 and 11,221.36

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Solution

The fourth proportional to 19,178.96, 26,467.14 and 11,221.36 is: 15,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.96 : 26,467.14 = 11,221.36 : x
  2. Step 2: Convert to fraction form
    19,178.96/26,467.14 = 11,221.36/x
  3. Step 3: Cross multiply
    19,178.96x = 26,467.14 × 11,221.36
  4. Step 4: Simplify right side
    19,178.96x = 296,997,340.68
  5. Step 5: Solve for x
    x = 296,997,340.68/19,178.96
  6. Step 6: Final answer
    x = 15,485.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.