Home / 11,482.75-17,221.86-3,160.63

Finding the Fourth Proportional to 11,482.75, 17,221.86 and 3,160.63

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Solution

The fourth proportional to 11,482.75, 17,221.86 and 3,160.63 is: 4,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.75 : 17,221.86 = 3,160.63 : x
  2. Step 2: Convert to fraction form
    11,482.75/17,221.86 = 3,160.63/x
  3. Step 3: Cross multiply
    11,482.75x = 17,221.86 × 3,160.63
  4. Step 4: Simplify right side
    11,482.75x = 54,431,927.37
  5. Step 5: Solve for x
    x = 54,431,927.37/11,482.75
  6. Step 6: Final answer
    x = 4,740.32

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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.