Home / 20,482.82-28,266.35-11,530.46

Finding the Fourth Proportional to 20,482.82, 28,266.35 and 11,530.46

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Solution

The fourth proportional to 20,482.82, 28,266.35 and 11,530.46 is: 15,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.82 : 28,266.35 = 11,530.46 : x
  2. Step 2: Convert to fraction form
    20,482.82/28,266.35 = 11,530.46/x
  3. Step 3: Cross multiply
    20,482.82x = 28,266.35 × 11,530.46
  4. Step 4: Simplify right side
    20,482.82x = 325,923,819.04
  5. Step 5: Solve for x
    x = 325,923,819.04/20,482.82
  6. Step 6: Final answer
    x = 15,912.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.