Home / 16,811.45-23,201.03-12,031.84

Finding the Fourth Proportional to 16,811.45, 23,201.03 and 12,031.84

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Solution

The fourth proportional to 16,811.45, 23,201.03 and 12,031.84 is: 16,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.45 : 23,201.03 = 12,031.84 : x
  2. Step 2: Convert to fraction form
    16,811.45/23,201.03 = 12,031.84/x
  3. Step 3: Cross multiply
    16,811.45x = 23,201.03 × 12,031.84
  4. Step 4: Simplify right side
    16,811.45x = 279,151,139.88
  5. Step 5: Solve for x
    x = 279,151,139.88/16,811.45
  6. Step 6: Final answer
    x = 16,604.82

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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.