Home / 16,829.44-23,228.64-9,759.76

Finding the Fourth Proportional to 16,829.44, 23,228.64 and 9,759.76

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Solution

The fourth proportional to 16,829.44, 23,228.64 and 9,759.76 is: 13,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.44 : 23,228.64 = 9,759.76 : x
  2. Step 2: Convert to fraction form
    16,829.44/23,228.64 = 9,759.76/x
  3. Step 3: Cross multiply
    16,829.44x = 23,228.64 × 9,759.76
  4. Step 4: Simplify right side
    16,829.44x = 226,705,951.53
  5. Step 5: Solve for x
    x = 226,705,951.53/16,829.44
  6. Step 6: Final answer
    x = 13,470.80

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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.