Home / 11,239.07-16,854.21-4,215.24

Finding the Fourth Proportional to 11,239.07, 16,854.21 and 4,215.24

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Solution

The fourth proportional to 11,239.07, 16,854.21 and 4,215.24 is: 6,321.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.07 : 16,854.21 = 4,215.24 : x
  2. Step 2: Convert to fraction form
    11,239.07/16,854.21 = 4,215.24/x
  3. Step 3: Cross multiply
    11,239.07x = 16,854.21 × 4,215.24
  4. Step 4: Simplify right side
    11,239.07x = 71,044,540.16
  5. Step 5: Solve for x
    x = 71,044,540.16/11,239.07
  6. Step 6: Final answer
    x = 6,321.21

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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.