Home / 11,153.75-16,725.33-6,475.21

Finding the Fourth Proportional to 11,153.75, 16,725.33 and 6,475.21

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Solution

The fourth proportional to 11,153.75, 16,725.33 and 6,475.21 is: 9,709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.75 : 16,725.33 = 6,475.21 : x
  2. Step 2: Convert to fraction form
    11,153.75/16,725.33 = 6,475.21/x
  3. Step 3: Cross multiply
    11,153.75x = 16,725.33 × 6,475.21
  4. Step 4: Simplify right side
    11,153.75x = 108,299,982.26
  5. Step 5: Solve for x
    x = 108,299,982.26/11,153.75
  6. Step 6: Final answer
    x = 9,709.74

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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.