Home / 16,784.88-23,171.52-12,999.60

Finding the Fourth Proportional to 16,784.88, 23,171.52 and 12,999.60

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Solution

The fourth proportional to 16,784.88, 23,171.52 and 12,999.60 is: 17,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.88 : 23,171.52 = 12,999.60 : x
  2. Step 2: Convert to fraction form
    16,784.88/23,171.52 = 12,999.60/x
  3. Step 3: Cross multiply
    16,784.88x = 23,171.52 × 12,999.60
  4. Step 4: Simplify right side
    16,784.88x = 301,220,491.39
  5. Step 5: Solve for x
    x = 301,220,491.39/16,784.88
  6. Step 6: Final answer
    x = 17,945.94

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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.