Home / 13,538.22-20,304.41-3,677.60

Finding the Fourth Proportional to 13,538.22, 20,304.41 and 3,677.60

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Solution

The fourth proportional to 13,538.22, 20,304.41 and 3,677.60 is: 5,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538.22 : 20,304.41 = 3,677.60 : x
  2. Step 2: Convert to fraction form
    13,538.22/20,304.41 = 3,677.60/x
  3. Step 3: Cross multiply
    13,538.22x = 20,304.41 × 3,677.60
  4. Step 4: Simplify right side
    13,538.22x = 74,671,378.31
  5. Step 5: Solve for x
    x = 74,671,378.31/13,538.22
  6. Step 6: Final answer
    x = 5,515.60

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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.