Home / 14,145.26-21,217.90-4,911.26

Finding the Fourth Proportional to 14,145.26, 21,217.90 and 4,911.26

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Solution

The fourth proportional to 14,145.26, 21,217.90 and 4,911.26 is: 7,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.26 : 21,217.90 = 4,911.26 : x
  2. Step 2: Convert to fraction form
    14,145.26/21,217.90 = 4,911.26/x
  3. Step 3: Cross multiply
    14,145.26x = 21,217.90 × 4,911.26
  4. Step 4: Simplify right side
    14,145.26x = 104,206,623.55
  5. Step 5: Solve for x
    x = 104,206,623.55/14,145.26
  6. Step 6: Final answer
    x = 7,366.89

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Double scale
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Similar ratio
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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.