Home / 16,755.09-23,121.59-9,201.39

Finding the Fourth Proportional to 16,755.09, 23,121.59 and 9,201.39

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Solution

The fourth proportional to 16,755.09, 23,121.59 and 9,201.39 is: 12,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.09 : 23,121.59 = 9,201.39 : x
  2. Step 2: Convert to fraction form
    16,755.09/23,121.59 = 9,201.39/x
  3. Step 3: Cross multiply
    16,755.09x = 23,121.59 × 9,201.39
  4. Step 4: Simplify right side
    16,755.09x = 212,750,721.00
  5. Step 5: Solve for x
    x = 212,750,721.00/16,755.09
  6. Step 6: Final answer
    x = 12,697.68

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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.