Home / 11,387.08-17,072.55-4,361.17

Finding the Fourth Proportional to 11,387.08, 17,072.55 and 4,361.17

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Solution

The fourth proportional to 11,387.08, 17,072.55 and 4,361.17 is: 6,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.08 : 17,072.55 = 4,361.17 : x
  2. Step 2: Convert to fraction form
    11,387.08/17,072.55 = 4,361.17/x
  3. Step 3: Cross multiply
    11,387.08x = 17,072.55 × 4,361.17
  4. Step 4: Simplify right side
    11,387.08x = 74,456,292.88
  5. Step 5: Solve for x
    x = 74,456,292.88/11,387.08
  6. Step 6: Final answer
    x = 6,538.66

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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.