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Finding the Fourth Proportional to 15,832.78, 23,733.51 and 7,498.15

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Solution

The fourth proportional to 15,832.78, 23,733.51 and 7,498.15 is: 11,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.78 : 23,733.51 = 7,498.15 : x
  2. Step 2: Convert to fraction form
    15,832.78/23,733.51 = 7,498.15/x
  3. Step 3: Cross multiply
    15,832.78x = 23,733.51 × 7,498.15
  4. Step 4: Simplify right side
    15,832.78x = 177,957,418.01
  5. Step 5: Solve for x
    x = 177,957,418.01/15,832.78
  6. Step 6: Final answer
    x = 11,239.81

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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.