Home / 14,143.67-21,171.74-12,044.15

Finding the Fourth Proportional to 14,143.67, 21,171.74 and 12,044.15

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Solution

The fourth proportional to 14,143.67, 21,171.74 and 12,044.15 is: 18,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.67 : 21,171.74 = 12,044.15 : x
  2. Step 2: Convert to fraction form
    14,143.67/21,171.74 = 12,044.15/x
  3. Step 3: Cross multiply
    14,143.67x = 21,171.74 × 12,044.15
  4. Step 4: Simplify right side
    14,143.67x = 254,995,446.24
  5. Step 5: Solve for x
    x = 254,995,446.24/14,143.67
  6. Step 6: Final answer
    x = 18,028.95

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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.