Home / 19,319.88-29,005.74-11,436.96

Finding the Fourth Proportional to 19,319.88, 29,005.74 and 11,436.96

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Solution

The fourth proportional to 19,319.88, 29,005.74 and 11,436.96 is: 17,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.88 : 29,005.74 = 11,436.96 : x
  2. Step 2: Convert to fraction form
    19,319.88/29,005.74 = 11,436.96/x
  3. Step 3: Cross multiply
    19,319.88x = 29,005.74 × 11,436.96
  4. Step 4: Simplify right side
    19,319.88x = 331,737,488.15
  5. Step 5: Solve for x
    x = 331,737,488.15/19,319.88
  6. Step 6: Final answer
    x = 17,170.78

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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.