Home / 20,492.45-30,732.60-8,802.94

Finding the Fourth Proportional to 20,492.45, 30,732.60 and 8,802.94

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Solution

The fourth proportional to 20,492.45, 30,732.60 and 8,802.94 is: 13,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.45 : 30,732.60 = 8,802.94 : x
  2. Step 2: Convert to fraction form
    20,492.45/30,732.60 = 8,802.94/x
  3. Step 3: Cross multiply
    20,492.45x = 30,732.60 × 8,802.94
  4. Step 4: Simplify right side
    20,492.45x = 270,537,190.02
  5. Step 5: Solve for x
    x = 270,537,190.02/20,492.45
  6. Step 6: Final answer
    x = 13,201.80

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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.