Home / 16,771.60-23,151.87-11,321.74

Finding the Fourth Proportional to 16,771.60, 23,151.87 and 11,321.74

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Solution

The fourth proportional to 16,771.60, 23,151.87 and 11,321.74 is: 15,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.60 : 23,151.87 = 11,321.74 : x
  2. Step 2: Convert to fraction form
    16,771.60/23,151.87 = 11,321.74/x
  3. Step 3: Cross multiply
    16,771.60x = 23,151.87 × 11,321.74
  4. Step 4: Simplify right side
    16,771.60x = 262,119,452.65
  5. Step 5: Solve for x
    x = 262,119,452.65/16,771.60
  6. Step 6: Final answer
    x = 15,628.77

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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.