Home / 12,679.14-17,496.90-7,014.09

Finding the Fourth Proportional to 12,679.14, 17,496.90 and 7,014.09

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Solution

The fourth proportional to 12,679.14, 17,496.90 and 7,014.09 is: 9,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679.14 : 17,496.90 = 7,014.09 : x
  2. Step 2: Convert to fraction form
    12,679.14/17,496.90 = 7,014.09/x
  3. Step 3: Cross multiply
    12,679.14x = 17,496.90 × 7,014.09
  4. Step 4: Simplify right side
    12,679.14x = 122,724,831.32
  5. Step 5: Solve for x
    x = 122,724,831.32/12,679.14
  6. Step 6: Final answer
    x = 9,679.27

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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.