Home / 14,171.45-21,132.15-14,044.98

Finding the Fourth Proportional to 14,171.45, 21,132.15 and 14,044.98

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Solution

The fourth proportional to 14,171.45, 21,132.15 and 14,044.98 is: 20,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.45 : 21,132.15 = 14,044.98 : x
  2. Step 2: Convert to fraction form
    14,171.45/21,132.15 = 14,044.98/x
  3. Step 3: Cross multiply
    14,171.45x = 21,132.15 × 14,044.98
  4. Step 4: Simplify right side
    14,171.45x = 296,800,676.78
  5. Step 5: Solve for x
    x = 296,800,676.78/14,171.45
  6. Step 6: Final answer
    x = 20,943.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.