Home / 14,842.10-20,481.66-8,127.48

Finding the Fourth Proportional to 14,842.10, 20,481.66 and 8,127.48

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Solution

The fourth proportional to 14,842.10, 20,481.66 and 8,127.48 is: 11,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,842.10 : 20,481.66 = 8,127.48 : x
  2. Step 2: Convert to fraction form
    14,842.10/20,481.66 = 8,127.48/x
  3. Step 3: Cross multiply
    14,842.10x = 20,481.66 × 8,127.48
  4. Step 4: Simplify right side
    14,842.10x = 166,464,282.02
  5. Step 5: Solve for x
    x = 166,464,282.02/14,842.10
  6. Step 6: Final answer
    x = 11,215.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.