Home / 9,982.47-13,784.67-6,212.10

Finding the Fourth Proportional to 9,982.47, 13,784.67 and 6,212.10

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Solution

The fourth proportional to 9,982.47, 13,784.67 and 6,212.10 is: 8,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.47 : 13,784.67 = 6,212.10 : x
  2. Step 2: Convert to fraction form
    9,982.47/13,784.67 = 6,212.10/x
  3. Step 3: Cross multiply
    9,982.47x = 13,784.67 × 6,212.10
  4. Step 4: Simplify right side
    9,982.47x = 85,631,748.51
  5. Step 5: Solve for x
    x = 85,631,748.51/9,982.47
  6. Step 6: Final answer
    x = 8,578.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.