Home / 16,438.79-24,661.85-7,668.92

Finding the Fourth Proportional to 16,438.79, 24,661.85 and 7,668.92

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Solution

The fourth proportional to 16,438.79, 24,661.85 and 7,668.92 is: 11,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.79 : 24,661.85 = 7,668.92 : x
  2. Step 2: Convert to fraction form
    16,438.79/24,661.85 = 7,668.92/x
  3. Step 3: Cross multiply
    16,438.79x = 24,661.85 × 7,668.92
  4. Step 4: Simplify right side
    16,438.79x = 189,129,778.01
  5. Step 5: Solve for x
    x = 189,129,778.01/16,438.79
  6. Step 6: Final answer
    x = 11,505.09

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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.