Home / 13,492.27-20,252.76-8,821.68

Finding the Fourth Proportional to 13,492.27, 20,252.76 and 8,821.68

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Solution

The fourth proportional to 13,492.27, 20,252.76 and 8,821.68 is: 13,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.27 : 20,252.76 = 8,821.68 : x
  2. Step 2: Convert to fraction form
    13,492.27/20,252.76 = 8,821.68/x
  3. Step 3: Cross multiply
    13,492.27x = 20,252.76 × 8,821.68
  4. Step 4: Simplify right side
    13,492.27x = 178,663,367.84
  5. Step 5: Solve for x
    x = 178,663,367.84/13,492.27
  6. Step 6: Final answer
    x = 13,241.91

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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.