Home / 19,375.40-29,061.66-11,578.34

Finding the Fourth Proportional to 19,375.40, 29,061.66 and 11,578.34

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Solution

The fourth proportional to 19,375.40, 29,061.66 and 11,578.34 is: 17,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.40 : 29,061.66 = 11,578.34 : x
  2. Step 2: Convert to fraction form
    19,375.40/29,061.66 = 11,578.34/x
  3. Step 3: Cross multiply
    19,375.40x = 29,061.66 × 11,578.34
  4. Step 4: Simplify right side
    19,375.40x = 336,485,780.44
  5. Step 5: Solve for x
    x = 336,485,780.44/19,375.40
  6. Step 6: Final answer
    x = 17,366.65

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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.