Home / 16,910.70-25,344.45-8,126.70

Finding the Fourth Proportional to 16,910.70, 25,344.45 and 8,126.70

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Solution

The fourth proportional to 16,910.70, 25,344.45 and 8,126.70 is: 12,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.70 : 25,344.45 = 8,126.70 : x
  2. Step 2: Convert to fraction form
    16,910.70/25,344.45 = 8,126.70/x
  3. Step 3: Cross multiply
    16,910.70x = 25,344.45 × 8,126.70
  4. Step 4: Simplify right side
    16,910.70x = 205,966,741.82
  5. Step 5: Solve for x
    x = 205,966,741.82/16,910.70
  6. Step 6: Final answer
    x = 12,179.67

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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.