Home / 13,512.08-20,268.60-4,277.84

Finding the Fourth Proportional to 13,512.08, 20,268.60 and 4,277.84

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Solution

The fourth proportional to 13,512.08, 20,268.60 and 4,277.84 is: 6,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.08 : 20,268.60 = 4,277.84 : x
  2. Step 2: Convert to fraction form
    13,512.08/20,268.60 = 4,277.84/x
  3. Step 3: Cross multiply
    13,512.08x = 20,268.60 × 4,277.84
  4. Step 4: Simplify right side
    13,512.08x = 86,705,827.82
  5. Step 5: Solve for x
    x = 86,705,827.82/13,512.08
  6. Step 6: Final answer
    x = 6,416.91

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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.