Home / 11,730.55-17,551.68-8,227.40

Finding the Fourth Proportional to 11,730.55, 17,551.68 and 8,227.40

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Solution

The fourth proportional to 11,730.55, 17,551.68 and 8,227.40 is: 12,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.55 : 17,551.68 = 8,227.40 : x
  2. Step 2: Convert to fraction form
    11,730.55/17,551.68 = 8,227.40/x
  3. Step 3: Cross multiply
    11,730.55x = 17,551.68 × 8,227.40
  4. Step 4: Simplify right side
    11,730.55x = 144,404,563.14
  5. Step 5: Solve for x
    x = 144,404,563.14/11,730.55
  6. Step 6: Final answer
    x = 12,310.13

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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.