Home / 11,106.96-16,660.47-3,315.60

Finding the Fourth Proportional to 11,106.96, 16,660.47 and 3,315.60

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Solution

The fourth proportional to 11,106.96, 16,660.47 and 3,315.60 is: 4,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.96 : 16,660.47 = 3,315.60 : x
  2. Step 2: Convert to fraction form
    11,106.96/16,660.47 = 3,315.60/x
  3. Step 3: Cross multiply
    11,106.96x = 16,660.47 × 3,315.60
  4. Step 4: Simplify right side
    11,106.96x = 55,239,454.33
  5. Step 5: Solve for x
    x = 55,239,454.33/11,106.96
  6. Step 6: Final answer
    x = 4,973.41

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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.