Home / 11,986.92-17,963.96-7,607.45

Finding the Fourth Proportional to 11,986.92, 17,963.96 and 7,607.45

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Solution

The fourth proportional to 11,986.92, 17,963.96 and 7,607.45 is: 11,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.92 : 17,963.96 = 7,607.45 : x
  2. Step 2: Convert to fraction form
    11,986.92/17,963.96 = 7,607.45/x
  3. Step 3: Cross multiply
    11,986.92x = 17,963.96 × 7,607.45
  4. Step 4: Simplify right side
    11,986.92x = 136,659,927.50
  5. Step 5: Solve for x
    x = 136,659,927.50/11,986.92
  6. Step 6: Final answer
    x = 11,400.75

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1.5x scale

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.