Home / 16,689.21-23,033.69-9,519.14

Finding the Fourth Proportional to 16,689.21, 23,033.69 and 9,519.14

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Solution

The fourth proportional to 16,689.21, 23,033.69 and 9,519.14 is: 13,137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.21 : 23,033.69 = 9,519.14 : x
  2. Step 2: Convert to fraction form
    16,689.21/23,033.69 = 9,519.14/x
  3. Step 3: Cross multiply
    16,689.21x = 23,033.69 × 9,519.14
  4. Step 4: Simplify right side
    16,689.21x = 219,260,919.83
  5. Step 5: Solve for x
    x = 219,260,919.83/16,689.21
  6. Step 6: Final answer
    x = 13,137.88

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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.