Home / 11,628.08-17,440.80-3,308.80

Finding the Fourth Proportional to 11,628.08, 17,440.80 and 3,308.80

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Solution

The fourth proportional to 11,628.08, 17,440.80 and 3,308.80 is: 4,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,628.08 : 17,440.80 = 3,308.80 : x
  2. Step 2: Convert to fraction form
    11,628.08/17,440.80 = 3,308.80/x
  3. Step 3: Cross multiply
    11,628.08x = 17,440.80 × 3,308.80
  4. Step 4: Simplify right side
    11,628.08x = 57,708,119.04
  5. Step 5: Solve for x
    x = 57,708,119.04/11,628.08
  6. Step 6: Final answer
    x = 4,962.82

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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.