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Finding the Fourth Proportional to 16,682.01, 25,035.30 and 13,434.30

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Solution

The fourth proportional to 16,682.01, 25,035.30 and 13,434.30 is: 20,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682.01 : 25,035.30 = 13,434.30 : x
  2. Step 2: Convert to fraction form
    16,682.01/25,035.30 = 13,434.30/x
  3. Step 3: Cross multiply
    16,682.01x = 25,035.30 × 13,434.30
  4. Step 4: Simplify right side
    16,682.01x = 336,331,730.79
  5. Step 5: Solve for x
    x = 336,331,730.79/16,682.01
  6. Step 6: Final answer
    x = 20,161.34

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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.