Home / 11,681.44-16,118.94-6,964.72

Finding the Fourth Proportional to 11,681.44, 16,118.94 and 6,964.72

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Solution

The fourth proportional to 11,681.44, 16,118.94 and 6,964.72 is: 9,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.44 : 16,118.94 = 6,964.72 : x
  2. Step 2: Convert to fraction form
    11,681.44/16,118.94 = 6,964.72/x
  3. Step 3: Cross multiply
    11,681.44x = 16,118.94 × 6,964.72
  4. Step 4: Simplify right side
    11,681.44x = 112,263,903.80
  5. Step 5: Solve for x
    x = 112,263,903.80/11,681.44
  6. Step 6: Final answer
    x = 9,610.45

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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.