Home / 11,370.63-17,006.94-8,214.87

Finding the Fourth Proportional to 11,370.63, 17,006.94 and 8,214.87

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Solution

The fourth proportional to 11,370.63, 17,006.94 and 8,214.87 is: 12,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.63 : 17,006.94 = 8,214.87 : x
  2. Step 2: Convert to fraction form
    11,370.63/17,006.94 = 8,214.87/x
  3. Step 3: Cross multiply
    11,370.63x = 17,006.94 × 8,214.87
  4. Step 4: Simplify right side
    11,370.63x = 139,709,801.20
  5. Step 5: Solve for x
    x = 139,709,801.20/11,370.63
  6. Step 6: Final answer
    x = 12,286.90

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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.