Home / 19,318.88-29,004.24-11,435.96

Finding the Fourth Proportional to 19,318.88, 29,004.24 and 11,435.96

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Solution

The fourth proportional to 19,318.88, 29,004.24 and 11,435.96 is: 17,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.88 : 29,004.24 = 11,435.96 : x
  2. Step 2: Convert to fraction form
    19,318.88/29,004.24 = 11,435.96/x
  3. Step 3: Cross multiply
    19,318.88x = 29,004.24 × 11,435.96
  4. Step 4: Simplify right side
    19,318.88x = 331,691,328.47
  5. Step 5: Solve for x
    x = 331,691,328.47/19,318.88
  6. Step 6: Final answer
    x = 17,169.28

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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.