Home / 11,644.04-16,087.62-8,122.98

Finding the Fourth Proportional to 11,644.04, 16,087.62 and 8,122.98

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Solution

The fourth proportional to 11,644.04, 16,087.62 and 8,122.98 is: 11,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.04 : 16,087.62 = 8,122.98 : x
  2. Step 2: Convert to fraction form
    11,644.04/16,087.62 = 8,122.98/x
  3. Step 3: Cross multiply
    11,644.04x = 16,087.62 × 8,122.98
  4. Step 4: Simplify right side
    11,644.04x = 130,679,415.51
  5. Step 5: Solve for x
    x = 130,679,415.51/11,644.04
  6. Step 6: Final answer
    x = 11,222.86

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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.