Home / 10,721.84-16,082.84-3,326.16

Finding the Fourth Proportional to 10,721.84, 16,082.84 and 3,326.16

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Solution

The fourth proportional to 10,721.84, 16,082.84 and 3,326.16 is: 4,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.84 : 16,082.84 = 3,326.16 : x
  2. Step 2: Convert to fraction form
    10,721.84/16,082.84 = 3,326.16/x
  3. Step 3: Cross multiply
    10,721.84x = 16,082.84 × 3,326.16
  4. Step 4: Simplify right side
    10,721.84x = 53,494,099.09
  5. Step 5: Solve for x
    x = 53,494,099.09/10,721.84
  6. Step 6: Final answer
    x = 4,989.26

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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.