Home / 11,135.25-16,688.25-6,207.21

Finding the Fourth Proportional to 11,135.25, 16,688.25 and 6,207.21

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Solution

The fourth proportional to 11,135.25, 16,688.25 and 6,207.21 is: 9,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.25 : 16,688.25 = 6,207.21 : x
  2. Step 2: Convert to fraction form
    11,135.25/16,688.25 = 6,207.21/x
  3. Step 3: Cross multiply
    11,135.25x = 16,688.25 × 6,207.21
  4. Step 4: Simplify right side
    11,135.25x = 103,587,472.28
  5. Step 5: Solve for x
    x = 103,587,472.28/11,135.25
  6. Step 6: Final answer
    x = 9,302.66

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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.