Home / 12,388.74-17,096.61-6,723.58

Finding the Fourth Proportional to 12,388.74, 17,096.61 and 6,723.58

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Solution

The fourth proportional to 12,388.74, 17,096.61 and 6,723.58 is: 9,278.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.74 : 17,096.61 = 6,723.58 : x
  2. Step 2: Convert to fraction form
    12,388.74/17,096.61 = 6,723.58/x
  3. Step 3: Cross multiply
    12,388.74x = 17,096.61 × 6,723.58
  4. Step 4: Simplify right side
    12,388.74x = 114,950,425.06
  5. Step 5: Solve for x
    x = 114,950,425.06/12,388.74
  6. Step 6: Final answer
    x = 9,278.62

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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.