Home / 12,254.86-18,388.37-4,859.16

Finding the Fourth Proportional to 12,254.86, 18,388.37 and 4,859.16

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Solution

The fourth proportional to 12,254.86, 18,388.37 and 4,859.16 is: 7,291.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.86 : 18,388.37 = 4,859.16 : x
  2. Step 2: Convert to fraction form
    12,254.86/18,388.37 = 4,859.16/x
  3. Step 3: Cross multiply
    12,254.86x = 18,388.37 × 4,859.16
  4. Step 4: Simplify right side
    12,254.86x = 89,352,031.97
  5. Step 5: Solve for x
    x = 89,352,031.97/12,254.86
  6. Step 6: Final answer
    x = 7,291.15

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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.