Home / 21,471.42-32,211.09-6,679.38

Finding the Fourth Proportional to 21,471.42, 32,211.09 and 6,679.38

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Solution

The fourth proportional to 21,471.42, 32,211.09 and 6,679.38 is: 10,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471.42 : 32,211.09 = 6,679.38 : x
  2. Step 2: Convert to fraction form
    21,471.42/32,211.09 = 6,679.38/x
  3. Step 3: Cross multiply
    21,471.42x = 32,211.09 × 6,679.38
  4. Step 4: Simplify right side
    21,471.42x = 215,150,110.32
  5. Step 5: Solve for x
    x = 215,150,110.32/21,471.42
  6. Step 6: Final answer
    x = 10,020.30

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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.