Home / 19,139.52-28,708.44-6,662.34

Finding the Fourth Proportional to 19,139.52, 28,708.44 and 6,662.34

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Solution

The fourth proportional to 19,139.52, 28,708.44 and 6,662.34 is: 9,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.52 : 28,708.44 = 6,662.34 : x
  2. Step 2: Convert to fraction form
    19,139.52/28,708.44 = 6,662.34/x
  3. Step 3: Cross multiply
    19,139.52x = 28,708.44 × 6,662.34
  4. Step 4: Simplify right side
    19,139.52x = 191,265,388.15
  5. Step 5: Solve for x
    x = 191,265,388.15/19,139.52
  6. Step 6: Final answer
    x = 9,993.22

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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.