Home / 13,650.84-20,451.54-6,261.48

Finding the Fourth Proportional to 13,650.84, 20,451.54 and 6,261.48

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Solution

The fourth proportional to 13,650.84, 20,451.54 and 6,261.48 is: 9,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.84 : 20,451.54 = 6,261.48 : x
  2. Step 2: Convert to fraction form
    13,650.84/20,451.54 = 6,261.48/x
  3. Step 3: Cross multiply
    13,650.84x = 20,451.54 × 6,261.48
  4. Step 4: Simplify right side
    13,650.84x = 128,056,908.68
  5. Step 5: Solve for x
    x = 128,056,908.68/13,650.84
  6. Step 6: Final answer
    x = 9,380.88

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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.