Home / 11,658.28-17,487.36-4,993.80

Finding the Fourth Proportional to 11,658.28, 17,487.36 and 4,993.80

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Solution

The fourth proportional to 11,658.28, 17,487.36 and 4,993.80 is: 7,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.28 : 17,487.36 = 4,993.80 : x
  2. Step 2: Convert to fraction form
    11,658.28/17,487.36 = 4,993.80/x
  3. Step 3: Cross multiply
    11,658.28x = 17,487.36 × 4,993.80
  4. Step 4: Simplify right side
    11,658.28x = 87,328,378.37
  5. Step 5: Solve for x
    x = 87,328,378.37/11,658.28
  6. Step 6: Final answer
    x = 7,490.67

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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.