Home / 19,144.82-28,717.27-7,458.04

Finding the Fourth Proportional to 19,144.82, 28,717.27 and 7,458.04

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Solution

The fourth proportional to 19,144.82, 28,717.27 and 7,458.04 is: 11,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.82 : 28,717.27 = 7,458.04 : x
  2. Step 2: Convert to fraction form
    19,144.82/28,717.27 = 7,458.04/x
  3. Step 3: Cross multiply
    19,144.82x = 28,717.27 × 7,458.04
  4. Step 4: Simplify right side
    19,144.82x = 214,174,548.35
  5. Step 5: Solve for x
    x = 214,174,548.35/19,144.82
  6. Step 6: Final answer
    x = 11,187.08

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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.