Home / 11,106.16-16,659.30-3,315.04

Finding the Fourth Proportional to 11,106.16, 16,659.30 and 3,315.04

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Solution

The fourth proportional to 11,106.16, 16,659.30 and 3,315.04 is: 4,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.16 : 16,659.30 = 3,315.04 : x
  2. Step 2: Convert to fraction form
    11,106.16/16,659.30 = 3,315.04/x
  3. Step 3: Cross multiply
    11,106.16x = 16,659.30 × 3,315.04
  4. Step 4: Simplify right side
    11,106.16x = 55,226,245.87
  5. Step 5: Solve for x
    x = 55,226,245.87/11,106.16
  6. Step 6: Final answer
    x = 4,972.58

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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.