Home / 19,320.07-28,982.51-6,837.60

Finding the Fourth Proportional to 19,320.07, 28,982.51 and 6,837.60

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Solution

The fourth proportional to 19,320.07, 28,982.51 and 6,837.60 is: 10,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.07 : 28,982.51 = 6,837.60 : x
  2. Step 2: Convert to fraction form
    19,320.07/28,982.51 = 6,837.60/x
  3. Step 3: Cross multiply
    19,320.07x = 28,982.51 × 6,837.60
  4. Step 4: Simplify right side
    19,320.07x = 198,170,747.49
  5. Step 5: Solve for x
    x = 198,170,747.49/19,320.07
  6. Step 6: Final answer
    x = 10,257.25

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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.