Home / 16,997.49-23,437.62-11,620.80

Finding the Fourth Proportional to 16,997.49, 23,437.62 and 11,620.80

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Solution

The fourth proportional to 16,997.49, 23,437.62 and 11,620.80 is: 16,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.49 : 23,437.62 = 11,620.80 : x
  2. Step 2: Convert to fraction form
    16,997.49/23,437.62 = 11,620.80/x
  3. Step 3: Cross multiply
    16,997.49x = 23,437.62 × 11,620.80
  4. Step 4: Simplify right side
    16,997.49x = 272,363,938.07
  5. Step 5: Solve for x
    x = 272,363,938.07/16,997.49
  6. Step 6: Final answer
    x = 16,023.78

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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.