Home / 14,084-21,110.82-9,157.18

Finding the Fourth Proportional to 14,084, 21,110.82 and 9,157.18

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Solution

The fourth proportional to 14,084, 21,110.82 and 9,157.18 is: 13,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084 : 21,110.82 = 9,157.18 : x
  2. Step 2: Convert to fraction form
    14,084/21,110.82 = 9,157.18/x
  3. Step 3: Cross multiply
    14,084x = 21,110.82 × 9,157.18
  4. Step 4: Simplify right side
    14,084x = 193,315,578.69
  5. Step 5: Solve for x
    x = 193,315,578.69/14,084
  6. Step 6: Final answer
    x = 13,725.90

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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.