Home / 20,817.73-31,226.57-6,966.73

Finding the Fourth Proportional to 20,817.73, 31,226.57 and 6,966.73

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Solution

The fourth proportional to 20,817.73, 31,226.57 and 6,966.73 is: 10,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817.73 : 31,226.57 = 6,966.73 : x
  2. Step 2: Convert to fraction form
    20,817.73/31,226.57 = 6,966.73/x
  3. Step 3: Cross multiply
    20,817.73x = 31,226.57 × 6,966.73
  4. Step 4: Simplify right side
    20,817.73x = 217,547,082.02
  5. Step 5: Solve for x
    x = 217,547,082.02/20,817.73
  6. Step 6: Final answer
    x = 10,450.09

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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.