Home / 19,834.80-29,751.33-6,687.12

Finding the Fourth Proportional to 19,834.80, 29,751.33 and 6,687.12

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Solution

The fourth proportional to 19,834.80, 29,751.33 and 6,687.12 is: 10,030.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.80 : 29,751.33 = 6,687.12 : x
  2. Step 2: Convert to fraction form
    19,834.80/29,751.33 = 6,687.12/x
  3. Step 3: Cross multiply
    19,834.80x = 29,751.33 × 6,687.12
  4. Step 4: Simplify right side
    19,834.80x = 198,950,713.87
  5. Step 5: Solve for x
    x = 198,950,713.87/19,834.80
  6. Step 6: Final answer
    x = 10,030.39

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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.