Home / 11,489.58-17,205.21-9,176.22

Finding the Fourth Proportional to 11,489.58, 17,205.21 and 9,176.22

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Solution

The fourth proportional to 11,489.58, 17,205.21 and 9,176.22 is: 13,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.58 : 17,205.21 = 9,176.22 : x
  2. Step 2: Convert to fraction form
    11,489.58/17,205.21 = 9,176.22/x
  3. Step 3: Cross multiply
    11,489.58x = 17,205.21 × 9,176.22
  4. Step 4: Simplify right side
    11,489.58x = 157,878,792.11
  5. Step 5: Solve for x
    x = 157,878,792.11/11,489.58
  6. Step 6: Final answer
    x = 13,741.04

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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.