Home / 12,556.32-18,837.18-3,792.12

Finding the Fourth Proportional to 12,556.32, 18,837.18 and 3,792.12

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Solution

The fourth proportional to 12,556.32, 18,837.18 and 3,792.12 is: 5,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.32 : 18,837.18 = 3,792.12 : x
  2. Step 2: Convert to fraction form
    12,556.32/18,837.18 = 3,792.12/x
  3. Step 3: Cross multiply
    12,556.32x = 18,837.18 × 3,792.12
  4. Step 4: Simplify right side
    12,556.32x = 71,432,847.02
  5. Step 5: Solve for x
    x = 71,432,847.02/12,556.32
  6. Step 6: Final answer
    x = 5,689.00

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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.