Home / 11,187.09-16,755.93-10,153.80

Finding the Fourth Proportional to 11,187.09, 16,755.93 and 10,153.80

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Solution

The fourth proportional to 11,187.09, 16,755.93 and 10,153.80 is: 15,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.09 : 16,755.93 = 10,153.80 : x
  2. Step 2: Convert to fraction form
    11,187.09/16,755.93 = 10,153.80/x
  3. Step 3: Cross multiply
    11,187.09x = 16,755.93 × 10,153.80
  4. Step 4: Simplify right side
    11,187.09x = 170,136,362.03
  5. Step 5: Solve for x
    x = 170,136,362.03/11,187.09
  6. Step 6: Final answer
    x = 15,208.28

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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.