Home / 11,777.08-17,660.76-3,984.88

Finding the Fourth Proportional to 11,777.08, 17,660.76 and 3,984.88

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Solution

The fourth proportional to 11,777.08, 17,660.76 and 3,984.88 is: 5,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.08 : 17,660.76 = 3,984.88 : x
  2. Step 2: Convert to fraction form
    11,777.08/17,660.76 = 3,984.88/x
  3. Step 3: Cross multiply
    11,777.08x = 17,660.76 × 3,984.88
  4. Step 4: Simplify right side
    11,777.08x = 70,376,009.31
  5. Step 5: Solve for x
    x = 70,376,009.31/11,777.08
  6. Step 6: Final answer
    x = 5,975.68

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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.