Home / 14,451.27-21,658.77-7,771.38

Finding the Fourth Proportional to 14,451.27, 21,658.77 and 7,771.38

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Solution

The fourth proportional to 14,451.27, 21,658.77 and 7,771.38 is: 11,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.27 : 21,658.77 = 7,771.38 : x
  2. Step 2: Convert to fraction form
    14,451.27/21,658.77 = 7,771.38/x
  3. Step 3: Cross multiply
    14,451.27x = 21,658.77 × 7,771.38
  4. Step 4: Simplify right side
    14,451.27x = 168,318,532.00
  5. Step 5: Solve for x
    x = 168,318,532.00/14,451.27
  6. Step 6: Final answer
    x = 11,647.32

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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.