Home / 19,891.08-29,830.31-6,740.37

Finding the Fourth Proportional to 19,891.08, 29,830.31 and 6,740.37

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Solution

The fourth proportional to 19,891.08, 29,830.31 and 6,740.37 is: 10,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,891.08 : 29,830.31 = 6,740.37 : x
  2. Step 2: Convert to fraction form
    19,891.08/29,830.31 = 6,740.37/x
  3. Step 3: Cross multiply
    19,891.08x = 29,830.31 × 6,740.37
  4. Step 4: Simplify right side
    19,891.08x = 201,067,292.91
  5. Step 5: Solve for x
    x = 201,067,292.91/19,891.08
  6. Step 6: Final answer
    x = 10,108.42

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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.