Home / 15,961.30-23,985.87-8,571.22

Finding the Fourth Proportional to 15,961.30, 23,985.87 and 8,571.22

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Solution

The fourth proportional to 15,961.30, 23,985.87 and 8,571.22 is: 12,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.30 : 23,985.87 = 8,571.22 : x
  2. Step 2: Convert to fraction form
    15,961.30/23,985.87 = 8,571.22/x
  3. Step 3: Cross multiply
    15,961.30x = 23,985.87 × 8,571.22
  4. Step 4: Simplify right side
    15,961.30x = 205,588,168.66
  5. Step 5: Solve for x
    x = 205,588,168.66/15,961.30
  6. Step 6: Final answer
    x = 12,880.42

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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.