Home / 11,128.19-15,360.03-8,296.02

Finding the Fourth Proportional to 11,128.19, 15,360.03 and 8,296.02

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Solution

The fourth proportional to 11,128.19, 15,360.03 and 8,296.02 is: 11,450.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.19 : 15,360.03 = 8,296.02 : x
  2. Step 2: Convert to fraction form
    11,128.19/15,360.03 = 8,296.02/x
  3. Step 3: Cross multiply
    11,128.19x = 15,360.03 × 8,296.02
  4. Step 4: Simplify right side
    11,128.19x = 127,427,116.08
  5. Step 5: Solve for x
    x = 127,427,116.08/11,128.19
  6. Step 6: Final answer
    x = 11,450.84

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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.