Home / 19,759.72-29,625.60-9,891.92

Finding the Fourth Proportional to 19,759.72, 29,625.60 and 9,891.92

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Solution

The fourth proportional to 19,759.72, 29,625.60 and 9,891.92 is: 14,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.72 : 29,625.60 = 9,891.92 : x
  2. Step 2: Convert to fraction form
    19,759.72/29,625.60 = 9,891.92/x
  3. Step 3: Cross multiply
    19,759.72x = 29,625.60 × 9,891.92
  4. Step 4: Simplify right side
    19,759.72x = 293,054,065.15
  5. Step 5: Solve for x
    x = 293,054,065.15/19,759.72
  6. Step 6: Final answer
    x = 14,830.88

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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.