Home / 11,747.99-16,202.78-10,328.66

Finding the Fourth Proportional to 11,747.99, 16,202.78 and 10,328.66

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Solution

The fourth proportional to 11,747.99, 16,202.78 and 10,328.66 is: 14,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.99 : 16,202.78 = 10,328.66 : x
  2. Step 2: Convert to fraction form
    11,747.99/16,202.78 = 10,328.66/x
  3. Step 3: Cross multiply
    11,747.99x = 16,202.78 × 10,328.66
  4. Step 4: Simplify right side
    11,747.99x = 167,352,873.02
  5. Step 5: Solve for x
    x = 167,352,873.02/11,747.99
  6. Step 6: Final answer
    x = 14,245.24

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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.