Home / 10,690.30-16,039.01-6,736.99

Finding the Fourth Proportional to 10,690.30, 16,039.01 and 6,736.99

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Solution

The fourth proportional to 10,690.30, 16,039.01 and 6,736.99 is: 10,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.30 : 16,039.01 = 6,736.99 : x
  2. Step 2: Convert to fraction form
    10,690.30/16,039.01 = 6,736.99/x
  3. Step 3: Cross multiply
    10,690.30x = 16,039.01 × 6,736.99
  4. Step 4: Simplify right side
    10,690.30x = 108,054,576.20
  5. Step 5: Solve for x
    x = 108,054,576.20/10,690.30
  6. Step 6: Final answer
    x = 10,107.72

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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.