Home / 17,945.12-24,738.30-11,885.21

Finding the Fourth Proportional to 17,945.12, 24,738.30 and 11,885.21

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Solution

The fourth proportional to 17,945.12, 24,738.30 and 11,885.21 is: 16,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.12 : 24,738.30 = 11,885.21 : x
  2. Step 2: Convert to fraction form
    17,945.12/24,738.30 = 11,885.21/x
  3. Step 3: Cross multiply
    17,945.12x = 24,738.30 × 11,885.21
  4. Step 4: Simplify right side
    17,945.12x = 294,019,858.41
  5. Step 5: Solve for x
    x = 294,019,858.41/17,945.12
  6. Step 6: Final answer
    x = 16,384.39

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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.