Home / 21,608.56-32,416.49-6,817.15

Finding the Fourth Proportional to 21,608.56, 32,416.49 and 6,817.15

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Solution

The fourth proportional to 21,608.56, 32,416.49 and 6,817.15 is: 10,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.56 : 32,416.49 = 6,817.15 : x
  2. Step 2: Convert to fraction form
    21,608.56/32,416.49 = 6,817.15/x
  3. Step 3: Cross multiply
    21,608.56x = 32,416.49 × 6,817.15
  4. Step 4: Simplify right side
    21,608.56x = 220,988,074.80
  5. Step 5: Solve for x
    x = 220,988,074.80/21,608.56
  6. Step 6: Final answer
    x = 10,226.88

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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.