Home / 11,106.08-16,659.08-3,314.88

Finding the Fourth Proportional to 11,106.08, 16,659.08 and 3,314.88

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Solution

The fourth proportional to 11,106.08, 16,659.08 and 3,314.88 is: 4,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.08 : 16,659.08 = 3,314.88 : x
  2. Step 2: Convert to fraction form
    11,106.08/16,659.08 = 3,314.88/x
  3. Step 3: Cross multiply
    11,106.08x = 16,659.08 × 3,314.88
  4. Step 4: Simplify right side
    11,106.08x = 55,222,851.11
  5. Step 5: Solve for x
    x = 55,222,851.11/11,106.08
  6. Step 6: Final answer
    x = 4,972.31

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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.