Home / 21,996.09-30,360.06-14,452.65

Finding the Fourth Proportional to 21,996.09, 30,360.06 and 14,452.65

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Solution

The fourth proportional to 21,996.09, 30,360.06 and 14,452.65 is: 19,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.09 : 30,360.06 = 14,452.65 : x
  2. Step 2: Convert to fraction form
    21,996.09/30,360.06 = 14,452.65/x
  3. Step 3: Cross multiply
    21,996.09x = 30,360.06 × 14,452.65
  4. Step 4: Simplify right side
    21,996.09x = 438,783,396.38
  5. Step 5: Solve for x
    x = 438,783,396.38/21,996.09
  6. Step 6: Final answer
    x = 19,948.24

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.