Home / 14,022.20-21,033.30-8,117.30

Finding the Fourth Proportional to 14,022.20, 21,033.30 and 8,117.30

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Solution

The fourth proportional to 14,022.20, 21,033.30 and 8,117.30 is: 12,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.20 : 21,033.30 = 8,117.30 : x
  2. Step 2: Convert to fraction form
    14,022.20/21,033.30 = 8,117.30/x
  3. Step 3: Cross multiply
    14,022.20x = 21,033.30 × 8,117.30
  4. Step 4: Simplify right side
    14,022.20x = 170,733,606.09
  5. Step 5: Solve for x
    x = 170,733,606.09/14,022.20
  6. Step 6: Final answer
    x = 12,175.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.