Home / 18,408.84-27,613.04-6,721.92

Finding the Fourth Proportional to 18,408.84, 27,613.04 and 6,721.92

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Solution

The fourth proportional to 18,408.84, 27,613.04 and 6,721.92 is: 10,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.84 : 27,613.04 = 6,721.92 : x
  2. Step 2: Convert to fraction form
    18,408.84/27,613.04 = 6,721.92/x
  3. Step 3: Cross multiply
    18,408.84x = 27,613.04 × 6,721.92
  4. Step 4: Simplify right side
    18,408.84x = 185,612,645.84
  5. Step 5: Solve for x
    x = 185,612,645.84/18,408.84
  6. Step 6: Final answer
    x = 10,082.80

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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.