Home / 14,177.72-21,245.02-6,771.98

Finding the Fourth Proportional to 14,177.72, 21,245.02 and 6,771.98

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Solution

The fourth proportional to 14,177.72, 21,245.02 and 6,771.98 is: 10,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.72 : 21,245.02 = 6,771.98 : x
  2. Step 2: Convert to fraction form
    14,177.72/21,245.02 = 6,771.98/x
  3. Step 3: Cross multiply
    14,177.72x = 21,245.02 × 6,771.98
  4. Step 4: Simplify right side
    14,177.72x = 143,870,727.38
  5. Step 5: Solve for x
    x = 143,870,727.38/14,177.72
  6. Step 6: Final answer
    x = 10,147.67

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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.