Home / 19,270.06-28,905.69-5,230.06

Finding the Fourth Proportional to 19,270.06, 28,905.69 and 5,230.06

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Solution

The fourth proportional to 19,270.06, 28,905.69 and 5,230.06 is: 7,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.06 : 28,905.69 = 5,230.06 : x
  2. Step 2: Convert to fraction form
    19,270.06/28,905.69 = 5,230.06/x
  3. Step 3: Cross multiply
    19,270.06x = 28,905.69 × 5,230.06
  4. Step 4: Simplify right side
    19,270.06x = 151,178,493.04
  5. Step 5: Solve for x
    x = 151,178,493.04/19,270.06
  6. Step 6: Final answer
    x = 7,845.25

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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.