Home / 11,117.33-16,684.19-8,952.20

Finding the Fourth Proportional to 11,117.33, 16,684.19 and 8,952.20

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Solution

The fourth proportional to 11,117.33, 16,684.19 and 8,952.20 is: 13,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.33 : 16,684.19 = 8,952.20 : x
  2. Step 2: Convert to fraction form
    11,117.33/16,684.19 = 8,952.20/x
  3. Step 3: Cross multiply
    11,117.33x = 16,684.19 × 8,952.20
  4. Step 4: Simplify right side
    11,117.33x = 149,360,205.72
  5. Step 5: Solve for x
    x = 149,360,205.72/11,117.33
  6. Step 6: Final answer
    x = 13,434.90

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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.