Home / 19,808.88-29,713.32-6,661.26

Finding the Fourth Proportional to 19,808.88, 29,713.32 and 6,661.26

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Solution

The fourth proportional to 19,808.88, 29,713.32 and 6,661.26 is: 9,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.88 : 29,713.32 = 6,661.26 : x
  2. Step 2: Convert to fraction form
    19,808.88/29,713.32 = 6,661.26/x
  3. Step 3: Cross multiply
    19,808.88x = 29,713.32 × 6,661.26
  4. Step 4: Simplify right side
    19,808.88x = 197,928,149.98
  5. Step 5: Solve for x
    x = 197,928,149.98/19,808.88
  6. Step 6: Final answer
    x = 9,991.89

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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.