Home / 11,783.44-16,261.04-6,405.84

Finding the Fourth Proportional to 11,783.44, 16,261.04 and 6,405.84

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Solution

The fourth proportional to 11,783.44, 16,261.04 and 6,405.84 is: 8,840.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.44 : 16,261.04 = 6,405.84 : x
  2. Step 2: Convert to fraction form
    11,783.44/16,261.04 = 6,405.84/x
  3. Step 3: Cross multiply
    11,783.44x = 16,261.04 × 6,405.84
  4. Step 4: Simplify right side
    11,783.44x = 104,165,620.47
  5. Step 5: Solve for x
    x = 104,165,620.47/11,783.44
  6. Step 6: Final answer
    x = 8,840.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.