Home / 21,973.09-32,962.92-6,388.69

Finding the Fourth Proportional to 21,973.09, 32,962.92 and 6,388.69

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Solution

The fourth proportional to 21,973.09, 32,962.92 and 6,388.69 is: 9,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.09 : 32,962.92 = 6,388.69 : x
  2. Step 2: Convert to fraction form
    21,973.09/32,962.92 = 6,388.69/x
  3. Step 3: Cross multiply
    21,973.09x = 32,962.92 × 6,388.69
  4. Step 4: Simplify right side
    21,973.09x = 210,589,877.37
  5. Step 5: Solve for x
    x = 210,589,877.37/21,973.09
  6. Step 6: Final answer
    x = 9,583.99

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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.