Home / 12,254.69-18,373.07-3,929.96

Finding the Fourth Proportional to 12,254.69, 18,373.07 and 3,929.96

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Solution

The fourth proportional to 12,254.69, 18,373.07 and 3,929.96 is: 5,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.69 : 18,373.07 = 3,929.96 : x
  2. Step 2: Convert to fraction form
    12,254.69/18,373.07 = 3,929.96/x
  3. Step 3: Cross multiply
    12,254.69x = 18,373.07 × 3,929.96
  4. Step 4: Simplify right side
    12,254.69x = 72,205,494.16
  5. Step 5: Solve for x
    x = 72,205,494.16/12,254.69
  6. Step 6: Final answer
    x = 5,892.07

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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.