Home / 20,817.10-31,229.50-6,589.16

Finding the Fourth Proportional to 20,817.10, 31,229.50 and 6,589.16

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Solution

The fourth proportional to 20,817.10, 31,229.50 and 6,589.16 is: 9,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817.10 : 31,229.50 = 6,589.16 : x
  2. Step 2: Convert to fraction form
    20,817.10/31,229.50 = 6,589.16/x
  3. Step 3: Cross multiply
    20,817.10x = 31,229.50 × 6,589.16
  4. Step 4: Simplify right side
    20,817.10x = 205,776,172.22
  5. Step 5: Solve for x
    x = 205,776,172.22/20,817.10
  6. Step 6: Final answer
    x = 9,884.96

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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.