Home / 13,555.96-20,304.33-5,634.46

Finding the Fourth Proportional to 13,555.96, 20,304.33 and 5,634.46

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Solution

The fourth proportional to 13,555.96, 20,304.33 and 5,634.46 is: 8,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.96 : 20,304.33 = 5,634.46 : x
  2. Step 2: Convert to fraction form
    13,555.96/20,304.33 = 5,634.46/x
  3. Step 3: Cross multiply
    13,555.96x = 20,304.33 × 5,634.46
  4. Step 4: Simplify right side
    13,555.96x = 114,403,907.04
  5. Step 5: Solve for x
    x = 114,403,907.04/13,555.96
  6. Step 6: Final answer
    x = 8,439.38

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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.