Home / 20,617.63-28,452.33-11,664.94

Finding the Fourth Proportional to 20,617.63, 28,452.33 and 11,664.94

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Solution

The fourth proportional to 20,617.63, 28,452.33 and 11,664.94 is: 16,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.63 : 28,452.33 = 11,664.94 : x
  2. Step 2: Convert to fraction form
    20,617.63/28,452.33 = 11,664.94/x
  3. Step 3: Cross multiply
    20,617.63x = 28,452.33 × 11,664.94
  4. Step 4: Simplify right side
    20,617.63x = 331,894,722.31
  5. Step 5: Solve for x
    x = 331,894,722.31/20,617.63
  6. Step 6: Final answer
    x = 16,097.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.