Home / 14,620.40-21,930.60-6,717.68

Finding the Fourth Proportional to 14,620.40, 21,930.60 and 6,717.68

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Solution

The fourth proportional to 14,620.40, 21,930.60 and 6,717.68 is: 10,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.40 : 21,930.60 = 6,717.68 : x
  2. Step 2: Convert to fraction form
    14,620.40/21,930.60 = 6,717.68/x
  3. Step 3: Cross multiply
    14,620.40x = 21,930.60 × 6,717.68
  4. Step 4: Simplify right side
    14,620.40x = 147,322,753.01
  5. Step 5: Solve for x
    x = 147,322,753.01/14,620.40
  6. Step 6: Final answer
    x = 10,076.52

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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.