Home / 13,554.10-20,323.56-4,191.44

Finding the Fourth Proportional to 13,554.10, 20,323.56 and 4,191.44

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Solution

The fourth proportional to 13,554.10, 20,323.56 and 4,191.44 is: 6,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.10 : 20,323.56 = 4,191.44 : x
  2. Step 2: Convert to fraction form
    13,554.10/20,323.56 = 4,191.44/x
  3. Step 3: Cross multiply
    13,554.10x = 20,323.56 × 4,191.44
  4. Step 4: Simplify right side
    13,554.10x = 85,184,982.33
  5. Step 5: Solve for x
    x = 85,184,982.33/13,554.10
  6. Step 6: Final answer
    x = 6,284.81

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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.