Home / 21,738.84-32,608.56-6,156.45

Finding the Fourth Proportional to 21,738.84, 32,608.56 and 6,156.45

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Solution

The fourth proportional to 21,738.84, 32,608.56 and 6,156.45 is: 9,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.84 : 32,608.56 = 6,156.45 : x
  2. Step 2: Convert to fraction form
    21,738.84/32,608.56 = 6,156.45/x
  3. Step 3: Cross multiply
    21,738.84x = 32,608.56 × 6,156.45
  4. Step 4: Simplify right side
    21,738.84x = 200,752,969.21
  5. Step 5: Solve for x
    x = 200,752,969.21/21,738.84
  6. Step 6: Final answer
    x = 9,234.76

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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.