Home / 19,309.03-28,964.05-6,161.39

Finding the Fourth Proportional to 19,309.03, 28,964.05 and 6,161.39

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Solution

The fourth proportional to 19,309.03, 28,964.05 and 6,161.39 is: 9,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.03 : 28,964.05 = 6,161.39 : x
  2. Step 2: Convert to fraction form
    19,309.03/28,964.05 = 6,161.39/x
  3. Step 3: Cross multiply
    19,309.03x = 28,964.05 × 6,161.39
  4. Step 4: Simplify right side
    19,309.03x = 178,458,751.02
  5. Step 5: Solve for x
    x = 178,458,751.02/19,309.03
  6. Step 6: Final answer
    x = 9,242.24

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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.