Home / 11,532.38-17,235.39-8,418.95

Finding the Fourth Proportional to 11,532.38, 17,235.39 and 8,418.95

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Solution

The fourth proportional to 11,532.38, 17,235.39 and 8,418.95 is: 12,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,532.38 : 17,235.39 = 8,418.95 : x
  2. Step 2: Convert to fraction form
    11,532.38/17,235.39 = 8,418.95/x
  3. Step 3: Cross multiply
    11,532.38x = 17,235.39 × 8,418.95
  4. Step 4: Simplify right side
    11,532.38x = 145,103,758.37
  5. Step 5: Solve for x
    x = 145,103,758.37/11,532.38
  6. Step 6: Final answer
    x = 12,582.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.