Home / 16,665.75-25,010.91-7,900.67

Finding the Fourth Proportional to 16,665.75, 25,010.91 and 7,900.67

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Solution

The fourth proportional to 16,665.75, 25,010.91 and 7,900.67 is: 11,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.75 : 25,010.91 = 7,900.67 : x
  2. Step 2: Convert to fraction form
    16,665.75/25,010.91 = 7,900.67/x
  3. Step 3: Cross multiply
    16,665.75x = 25,010.91 × 7,900.67
  4. Step 4: Simplify right side
    16,665.75x = 197,603,008.84
  5. Step 5: Solve for x
    x = 197,603,008.84/16,665.75
  6. Step 6: Final answer
    x = 11,856.83

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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.