Home / 11,816.46-17,727.77-4,421.50

Finding the Fourth Proportional to 11,816.46, 17,727.77 and 4,421.50

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Solution

The fourth proportional to 11,816.46, 17,727.77 and 4,421.50 is: 6,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.46 : 17,727.77 = 4,421.50 : x
  2. Step 2: Convert to fraction form
    11,816.46/17,727.77 = 4,421.50/x
  3. Step 3: Cross multiply
    11,816.46x = 17,727.77 × 4,421.50
  4. Step 4: Simplify right side
    11,816.46x = 78,383,268.63
  5. Step 5: Solve for x
    x = 78,383,268.63/11,816.46
  6. Step 6: Final answer
    x = 6,633.40

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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.