Home / 19,462.96-29,147.60-11,117.64

Finding the Fourth Proportional to 19,462.96, 29,147.60 and 11,117.64

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Solution

The fourth proportional to 19,462.96, 29,147.60 and 11,117.64 is: 16,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.96 : 29,147.60 = 11,117.64 : x
  2. Step 2: Convert to fraction form
    19,462.96/29,147.60 = 11,117.64/x
  3. Step 3: Cross multiply
    19,462.96x = 29,147.60 × 11,117.64
  4. Step 4: Simplify right side
    19,462.96x = 324,052,523.66
  5. Step 5: Solve for x
    x = 324,052,523.66/19,462.96
  6. Step 6: Final answer
    x = 16,649.70

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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.