Home / 12,460.96-17,195.28-6,871.20

Finding the Fourth Proportional to 12,460.96, 17,195.28 and 6,871.20

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Solution

The fourth proportional to 12,460.96, 17,195.28 and 6,871.20 is: 9,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.96 : 17,195.28 = 6,871.20 : x
  2. Step 2: Convert to fraction form
    12,460.96/17,195.28 = 6,871.20/x
  3. Step 3: Cross multiply
    12,460.96x = 17,195.28 × 6,871.20
  4. Step 4: Simplify right side
    12,460.96x = 118,152,207.94
  5. Step 5: Solve for x
    x = 118,152,207.94/12,460.96
  6. Step 6: Final answer
    x = 9,481.79

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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.