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Finding the Fourth Proportional to 15,093, 20,828.88 and 8,805.24

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Solution

The fourth proportional to 15,093, 20,828.88 and 8,805.24 is: 12,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,093 : 20,828.88 = 8,805.24 : x
  2. Step 2: Convert to fraction form
    15,093/20,828.88 = 8,805.24/x
  3. Step 3: Cross multiply
    15,093x = 20,828.88 × 8,805.24
  4. Step 4: Simplify right side
    15,093x = 183,403,287.33
  5. Step 5: Solve for x
    x = 183,403,287.33/15,093
  6. Step 6: Final answer
    x = 12,151.55

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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.