Home / 19,793.35-29,628.06-12,372.13

Finding the Fourth Proportional to 19,793.35, 29,628.06 and 12,372.13

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Solution

The fourth proportional to 19,793.35, 29,628.06 and 12,372.13 is: 18,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,793.35 : 29,628.06 = 12,372.13 : x
  2. Step 2: Convert to fraction form
    19,793.35/29,628.06 = 12,372.13/x
  3. Step 3: Cross multiply
    19,793.35x = 29,628.06 × 12,372.13
  4. Step 4: Simplify right side
    19,793.35x = 366,562,209.97
  5. Step 5: Solve for x
    x = 366,562,209.97/19,793.35
  6. Step 6: Final answer
    x = 18,519.46

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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.