Home / 11,905.03-16,428.99-6,599.94

Finding the Fourth Proportional to 11,905.03, 16,428.99 and 6,599.94

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Solution

The fourth proportional to 11,905.03, 16,428.99 and 6,599.94 is: 9,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.03 : 16,428.99 = 6,599.94 : x
  2. Step 2: Convert to fraction form
    11,905.03/16,428.99 = 6,599.94/x
  3. Step 3: Cross multiply
    11,905.03x = 16,428.99 × 6,599.94
  4. Step 4: Simplify right side
    11,905.03x = 108,430,348.26
  5. Step 5: Solve for x
    x = 108,430,348.26/11,905.03
  6. Step 6: Final answer
    x = 9,107.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.