Home / 21,196.50-31,794.75-6,604.50

Finding the Fourth Proportional to 21,196.50, 31,794.75 and 6,604.50

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Solution

The fourth proportional to 21,196.50, 31,794.75 and 6,604.50 is: 9,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.50 : 31,794.75 = 6,604.50 : x
  2. Step 2: Convert to fraction form
    21,196.50/31,794.75 = 6,604.50/x
  3. Step 3: Cross multiply
    21,196.50x = 31,794.75 × 6,604.50
  4. Step 4: Simplify right side
    21,196.50x = 209,988,426.38
  5. Step 5: Solve for x
    x = 209,988,426.38/21,196.50
  6. Step 6: Final answer
    x = 9,906.75

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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.