Home / 11,929.68-17,892.48-3,165.48

Finding the Fourth Proportional to 11,929.68, 17,892.48 and 3,165.48

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Solution

The fourth proportional to 11,929.68, 17,892.48 and 3,165.48 is: 4,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.68 : 17,892.48 = 3,165.48 : x
  2. Step 2: Convert to fraction form
    11,929.68/17,892.48 = 3,165.48/x
  3. Step 3: Cross multiply
    11,929.68x = 17,892.48 × 3,165.48
  4. Step 4: Simplify right side
    11,929.68x = 56,638,287.59
  5. Step 5: Solve for x
    x = 56,638,287.59/11,929.68
  6. Step 6: Final answer
    x = 4,747.68

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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.