Home / 11,381.61-17,072.47-3,590.43

Finding the Fourth Proportional to 11,381.61, 17,072.47 and 3,590.43

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Solution

The fourth proportional to 11,381.61, 17,072.47 and 3,590.43 is: 5,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.61 : 17,072.47 = 3,590.43 : x
  2. Step 2: Convert to fraction form
    11,381.61/17,072.47 = 3,590.43/x
  3. Step 3: Cross multiply
    11,381.61x = 17,072.47 × 3,590.43
  4. Step 4: Simplify right side
    11,381.61x = 61,297,448.93
  5. Step 5: Solve for x
    x = 61,297,448.93/11,381.61
  6. Step 6: Final answer
    x = 5,385.66

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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.