Home / 21,601.89-32,401.62-6,810.48

Finding the Fourth Proportional to 21,601.89, 32,401.62 and 6,810.48

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Solution

The fourth proportional to 21,601.89, 32,401.62 and 6,810.48 is: 10,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.89 : 32,401.62 = 6,810.48 : x
  2. Step 2: Convert to fraction form
    21,601.89/32,401.62 = 6,810.48/x
  3. Step 3: Cross multiply
    21,601.89x = 32,401.62 × 6,810.48
  4. Step 4: Simplify right side
    21,601.89x = 220,670,584.98
  5. Step 5: Solve for x
    x = 220,670,584.98/21,601.89
  6. Step 6: Final answer
    x = 10,215.34

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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.