Home / 16,682.40-23,022.30-9,128.58

Finding the Fourth Proportional to 16,682.40, 23,022.30 and 9,128.58

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Solution

The fourth proportional to 16,682.40, 23,022.30 and 9,128.58 is: 12,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.40 : 23,022.30 = 9,128.58 : x
  2. Step 2: Convert to fraction form
    16,682.40/23,022.30 = 9,128.58/x
  3. Step 3: Cross multiply
    16,682.40x = 23,022.30 × 9,128.58
  4. Step 4: Simplify right side
    16,682.40x = 210,160,907.33
  5. Step 5: Solve for x
    x = 210,160,907.33/16,682.40
  6. Step 6: Final answer
    x = 12,597.76

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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.