Home / 19,790.07-29,684.94-4,998.90

Finding the Fourth Proportional to 19,790.07, 29,684.94 and 4,998.90

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Solution

The fourth proportional to 19,790.07, 29,684.94 and 4,998.90 is: 7,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.07 : 29,684.94 = 4,998.90 : x
  2. Step 2: Convert to fraction form
    19,790.07/29,684.94 = 4,998.90/x
  3. Step 3: Cross multiply
    19,790.07x = 29,684.94 × 4,998.90
  4. Step 4: Simplify right side
    19,790.07x = 148,392,046.57
  5. Step 5: Solve for x
    x = 148,392,046.57/19,790.07
  6. Step 6: Final answer
    x = 7,498.31

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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.