Home / 13,512.96-20,268.84-4,152.60

Finding the Fourth Proportional to 13,512.96, 20,268.84 and 4,152.60

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Solution

The fourth proportional to 13,512.96, 20,268.84 and 4,152.60 is: 6,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.96 : 20,268.84 = 4,152.60 : x
  2. Step 2: Convert to fraction form
    13,512.96/20,268.84 = 4,152.60/x
  3. Step 3: Cross multiply
    13,512.96x = 20,268.84 × 4,152.60
  4. Step 4: Simplify right side
    13,512.96x = 84,168,384.98
  5. Step 5: Solve for x
    x = 84,168,384.98/13,512.96
  6. Step 6: Final answer
    x = 6,228.72

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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.