Home / 11,571.71-15,968.88-6,266.51

Finding the Fourth Proportional to 11,571.71, 15,968.88 and 6,266.51

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Solution

The fourth proportional to 11,571.71, 15,968.88 and 6,266.51 is: 8,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.71 : 15,968.88 = 6,266.51 : x
  2. Step 2: Convert to fraction form
    11,571.71/15,968.88 = 6,266.51/x
  3. Step 3: Cross multiply
    11,571.71x = 15,968.88 × 6,266.51
  4. Step 4: Simplify right side
    11,571.71x = 100,069,126.25
  5. Step 5: Solve for x
    x = 100,069,126.25/11,571.71
  6. Step 6: Final answer
    x = 8,647.74

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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.