Home / 13,344.44-20,019.88-3,984.08

Finding the Fourth Proportional to 13,344.44, 20,019.88 and 3,984.08

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Solution

The fourth proportional to 13,344.44, 20,019.88 and 3,984.08 is: 5,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.44 : 20,019.88 = 3,984.08 : x
  2. Step 2: Convert to fraction form
    13,344.44/20,019.88 = 3,984.08/x
  3. Step 3: Cross multiply
    13,344.44x = 20,019.88 × 3,984.08
  4. Step 4: Simplify right side
    13,344.44x = 79,760,803.51
  5. Step 5: Solve for x
    x = 79,760,803.51/13,344.44
  6. Step 6: Final answer
    x = 5,977.08

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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.