Home / 11,993.46-16,572.99-11,417.33

Finding the Fourth Proportional to 11,993.46, 16,572.99 and 11,417.33

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Solution

The fourth proportional to 11,993.46, 16,572.99 and 11,417.33 is: 15,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.46 : 16,572.99 = 11,417.33 : x
  2. Step 2: Convert to fraction form
    11,993.46/16,572.99 = 11,417.33/x
  3. Step 3: Cross multiply
    11,993.46x = 16,572.99 × 11,417.33
  4. Step 4: Simplify right side
    11,993.46x = 189,219,213.05
  5. Step 5: Solve for x
    x = 189,219,213.05/11,993.46
  6. Step 6: Final answer
    x = 15,776.87

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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.