Home / 20,873.49-31,310.84-6,082.08

Finding the Fourth Proportional to 20,873.49, 31,310.84 and 6,082.08

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Solution

The fourth proportional to 20,873.49, 31,310.84 and 6,082.08 is: 9,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.49 : 31,310.84 = 6,082.08 : x
  2. Step 2: Convert to fraction form
    20,873.49/31,310.84 = 6,082.08/x
  3. Step 3: Cross multiply
    20,873.49x = 31,310.84 × 6,082.08
  4. Step 4: Simplify right side
    20,873.49x = 190,435,033.75
  5. Step 5: Solve for x
    x = 190,435,033.75/20,873.49
  6. Step 6: Final answer
    x = 9,123.30

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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.