Home / 13,946.30-19,245.89-7,658.67

Finding the Fourth Proportional to 13,946.30, 19,245.89 and 7,658.67

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Solution

The fourth proportional to 13,946.30, 19,245.89 and 7,658.67 is: 10,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.30 : 19,245.89 = 7,658.67 : x
  2. Step 2: Convert to fraction form
    13,946.30/19,245.89 = 7,658.67/x
  3. Step 3: Cross multiply
    13,946.30x = 19,245.89 × 7,658.67
  4. Step 4: Simplify right side
    13,946.30x = 147,397,982.97
  5. Step 5: Solve for x
    x = 147,397,982.97/13,946.30
  6. Step 6: Final answer
    x = 10,568.97

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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.