Home / 19,918.44-27,488.16-10,966.32

Finding the Fourth Proportional to 19,918.44, 27,488.16 and 10,966.32

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Solution

The fourth proportional to 19,918.44, 27,488.16 and 10,966.32 is: 15,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.44 : 27,488.16 = 10,966.32 : x
  2. Step 2: Convert to fraction form
    19,918.44/27,488.16 = 10,966.32/x
  3. Step 3: Cross multiply
    19,918.44x = 27,488.16 × 10,966.32
  4. Step 4: Simplify right side
    19,918.44x = 301,443,958.77
  5. Step 5: Solve for x
    x = 301,443,958.77/19,918.44
  6. Step 6: Final answer
    x = 15,133.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.