Home / 12,603.36-17,391.38-7,299.88

Finding the Fourth Proportional to 12,603.36, 17,391.38 and 7,299.88

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Solution

The fourth proportional to 12,603.36, 17,391.38 and 7,299.88 is: 10,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.36 : 17,391.38 = 7,299.88 : x
  2. Step 2: Convert to fraction form
    12,603.36/17,391.38 = 7,299.88/x
  3. Step 3: Cross multiply
    12,603.36x = 17,391.38 × 7,299.88
  4. Step 4: Simplify right side
    12,603.36x = 126,954,987.03
  5. Step 5: Solve for x
    x = 126,954,987.03/12,603.36
  6. Step 6: Final answer
    x = 10,073.11

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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.