Home / 11,571.72-15,968.88-6,266.52

Finding the Fourth Proportional to 11,571.72, 15,968.88 and 6,266.52

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Solution

The fourth proportional to 11,571.72, 15,968.88 and 6,266.52 is: 8,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.72 : 15,968.88 = 6,266.52 : x
  2. Step 2: Convert to fraction form
    11,571.72/15,968.88 = 6,266.52/x
  3. Step 3: Cross multiply
    11,571.72x = 15,968.88 × 6,266.52
  4. Step 4: Simplify right side
    11,571.72x = 100,069,305.90
  5. Step 5: Solve for x
    x = 100,069,305.90/11,571.72
  6. Step 6: Final answer
    x = 8,647.75

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1.5x scale

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.