Home / 19,940.88-29,901.15-6,609.06

Finding the Fourth Proportional to 19,940.88, 29,901.15 and 6,609.06

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Solution

The fourth proportional to 19,940.88, 29,901.15 and 6,609.06 is: 9,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.88 : 29,901.15 = 6,609.06 : x
  2. Step 2: Convert to fraction form
    19,940.88/29,901.15 = 6,609.06/x
  3. Step 3: Cross multiply
    19,940.88x = 29,901.15 × 6,609.06
  4. Step 4: Simplify right side
    19,940.88x = 197,618,494.42
  5. Step 5: Solve for x
    x = 197,618,494.42/19,940.88
  6. Step 6: Final answer
    x = 9,910.22

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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.