Home / 13,548.26-20,314.82-4,185.63

Finding the Fourth Proportional to 13,548.26, 20,314.82 and 4,185.63

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Solution

The fourth proportional to 13,548.26, 20,314.82 and 4,185.63 is: 6,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.26 : 20,314.82 = 4,185.63 : x
  2. Step 2: Convert to fraction form
    13,548.26/20,314.82 = 4,185.63/x
  3. Step 3: Cross multiply
    13,548.26x = 20,314.82 × 4,185.63
  4. Step 4: Simplify right side
    13,548.26x = 85,030,330.50
  5. Step 5: Solve for x
    x = 85,030,330.50/13,548.26
  6. Step 6: Final answer
    x = 6,276.11

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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.