Home / 19,609.99-29,406.45-7,125.85

Finding the Fourth Proportional to 19,609.99, 29,406.45 and 7,125.85

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Solution

The fourth proportional to 19,609.99, 29,406.45 and 7,125.85 is: 10,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.99 : 29,406.45 = 7,125.85 : x
  2. Step 2: Convert to fraction form
    19,609.99/29,406.45 = 7,125.85/x
  3. Step 3: Cross multiply
    19,609.99x = 29,406.45 × 7,125.85
  4. Step 4: Simplify right side
    19,609.99x = 209,545,951.73
  5. Step 5: Solve for x
    x = 209,545,951.73/19,609.99
  6. Step 6: Final answer
    x = 10,685.67

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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.