Home / 19,453.32-29,151.72-11,107.80

Finding the Fourth Proportional to 19,453.32, 29,151.72 and 11,107.80

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Solution

The fourth proportional to 19,453.32, 29,151.72 and 11,107.80 is: 16,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.32 : 29,151.72 = 11,107.80 : x
  2. Step 2: Convert to fraction form
    19,453.32/29,151.72 = 11,107.80/x
  3. Step 3: Cross multiply
    19,453.32x = 29,151.72 × 11,107.80
  4. Step 4: Simplify right side
    19,453.32x = 323,811,475.42
  5. Step 5: Solve for x
    x = 323,811,475.42/19,453.32
  6. Step 6: Final answer
    x = 16,645.56

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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.