Home / 11,531.80-17,299.86-3,740.68

Finding the Fourth Proportional to 11,531.80, 17,299.86 and 3,740.68

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Solution

The fourth proportional to 11,531.80, 17,299.86 and 3,740.68 is: 5,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.80 : 17,299.86 = 3,740.68 : x
  2. Step 2: Convert to fraction form
    11,531.80/17,299.86 = 3,740.68/x
  3. Step 3: Cross multiply
    11,531.80x = 17,299.86 × 3,740.68
  4. Step 4: Simplify right side
    11,531.80x = 64,713,240.30
  5. Step 5: Solve for x
    x = 64,713,240.30/11,531.80
  6. Step 6: Final answer
    x = 5,611.72

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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.