Home / 13,619.04-20,418.18-7,041.03

Finding the Fourth Proportional to 13,619.04, 20,418.18 and 7,041.03

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Solution

The fourth proportional to 13,619.04, 20,418.18 and 7,041.03 is: 10,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.04 : 20,418.18 = 7,041.03 : x
  2. Step 2: Convert to fraction form
    13,619.04/20,418.18 = 7,041.03/x
  3. Step 3: Cross multiply
    13,619.04x = 20,418.18 × 7,041.03
  4. Step 4: Simplify right side
    13,619.04x = 143,765,017.93
  5. Step 5: Solve for x
    x = 143,765,017.93/13,619.04
  6. Step 6: Final answer
    x = 10,556.18

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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.