Home / 19,133.06-28,703.66-5,986.44

Finding the Fourth Proportional to 19,133.06, 28,703.66 and 5,986.44

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Solution

The fourth proportional to 19,133.06, 28,703.66 and 5,986.44 is: 8,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.06 : 28,703.66 = 5,986.44 : x
  2. Step 2: Convert to fraction form
    19,133.06/28,703.66 = 5,986.44/x
  3. Step 3: Cross multiply
    19,133.06x = 28,703.66 × 5,986.44
  4. Step 4: Simplify right side
    19,133.06x = 171,832,708.44
  5. Step 5: Solve for x
    x = 171,832,708.44/19,133.06
  6. Step 6: Final answer
    x = 8,980.93

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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.