Home / 12,549.03-17,318.21-7,512.28

Finding the Fourth Proportional to 12,549.03, 17,318.21 and 7,512.28

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Solution

The fourth proportional to 12,549.03, 17,318.21 and 7,512.28 is: 10,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.03 : 17,318.21 = 7,512.28 : x
  2. Step 2: Convert to fraction form
    12,549.03/17,318.21 = 7,512.28/x
  3. Step 3: Cross multiply
    12,549.03x = 17,318.21 × 7,512.28
  4. Step 4: Simplify right side
    12,549.03x = 130,099,282.36
  5. Step 5: Solve for x
    x = 130,099,282.36/12,549.03
  6. Step 6: Final answer
    x = 10,367.28

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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.