Home / 16,991.65-25,487.46-11,146.89

Finding the Fourth Proportional to 16,991.65, 25,487.46 and 11,146.89

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Solution

The fourth proportional to 16,991.65, 25,487.46 and 11,146.89 is: 16,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.65 : 25,487.46 = 11,146.89 : x
  2. Step 2: Convert to fraction form
    16,991.65/25,487.46 = 11,146.89/x
  3. Step 3: Cross multiply
    16,991.65x = 25,487.46 × 11,146.89
  4. Step 4: Simplify right side
    16,991.65x = 284,105,913.00
  5. Step 5: Solve for x
    x = 284,105,913.00/16,991.65
  6. Step 6: Final answer
    x = 16,720.33

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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.