Home / 13,081.36-18,046.56-8,599.36

Finding the Fourth Proportional to 13,081.36, 18,046.56 and 8,599.36

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Solution

The fourth proportional to 13,081.36, 18,046.56 and 8,599.36 is: 11,863.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.36 : 18,046.56 = 8,599.36 : x
  2. Step 2: Convert to fraction form
    13,081.36/18,046.56 = 8,599.36/x
  3. Step 3: Cross multiply
    13,081.36x = 18,046.56 × 8,599.36
  4. Step 4: Simplify right side
    13,081.36x = 155,188,866.20
  5. Step 5: Solve for x
    x = 155,188,866.20/13,081.36
  6. Step 6: Final answer
    x = 11,863.36

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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.