Home / 11,641.28-17,461.68-4,620.20

Finding the Fourth Proportional to 11,641.28, 17,461.68 and 4,620.20

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Solution

The fourth proportional to 11,641.28, 17,461.68 and 4,620.20 is: 6,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.28 : 17,461.68 = 4,620.20 : x
  2. Step 2: Convert to fraction form
    11,641.28/17,461.68 = 4,620.20/x
  3. Step 3: Cross multiply
    11,641.28x = 17,461.68 × 4,620.20
  4. Step 4: Simplify right side
    11,641.28x = 80,676,453.94
  5. Step 5: Solve for x
    x = 80,676,453.94/11,641.28
  6. Step 6: Final answer
    x = 6,930.20

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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.