Home / 15,556.13-21,467.46-9,967.13

Finding the Fourth Proportional to 15,556.13, 21,467.46 and 9,967.13

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Solution

The fourth proportional to 15,556.13, 21,467.46 and 9,967.13 is: 13,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.13 : 21,467.46 = 9,967.13 : x
  2. Step 2: Convert to fraction form
    15,556.13/21,467.46 = 9,967.13/x
  3. Step 3: Cross multiply
    15,556.13x = 21,467.46 × 9,967.13
  4. Step 4: Simplify right side
    15,556.13x = 213,968,964.59
  5. Step 5: Solve for x
    x = 213,968,964.59/15,556.13
  6. Step 6: Final answer
    x = 13,754.64

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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.