Home / 14,183.90-21,275.54-3,795.65

Finding the Fourth Proportional to 14,183.90, 21,275.54 and 3,795.65

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Solution

The fourth proportional to 14,183.90, 21,275.54 and 3,795.65 is: 5,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.90 : 21,275.54 = 3,795.65 : x
  2. Step 2: Convert to fraction form
    14,183.90/21,275.54 = 3,795.65/x
  3. Step 3: Cross multiply
    14,183.90x = 21,275.54 × 3,795.65
  4. Step 4: Simplify right side
    14,183.90x = 80,754,503.40
  5. Step 5: Solve for x
    x = 80,754,503.40/14,183.90
  6. Step 6: Final answer
    x = 5,693.39

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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.