Home / 12,218.44-18,291.90-11,051.14

Finding the Fourth Proportional to 12,218.44, 18,291.90 and 11,051.14

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Solution

The fourth proportional to 12,218.44, 18,291.90 and 11,051.14 is: 16,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.44 : 18,291.90 = 11,051.14 : x
  2. Step 2: Convert to fraction form
    12,218.44/18,291.90 = 11,051.14/x
  3. Step 3: Cross multiply
    12,218.44x = 18,291.90 × 11,051.14
  4. Step 4: Simplify right side
    12,218.44x = 202,146,347.77
  5. Step 5: Solve for x
    x = 202,146,347.77/12,218.44
  6. Step 6: Final answer
    x = 16,544.37

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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.