Home / 11,135.13-15,368.46-6,659.37

Finding the Fourth Proportional to 11,135.13, 15,368.46 and 6,659.37

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Solution

The fourth proportional to 11,135.13, 15,368.46 and 6,659.37 is: 9,191.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.13 : 15,368.46 = 6,659.37 : x
  2. Step 2: Convert to fraction form
    11,135.13/15,368.46 = 6,659.37/x
  3. Step 3: Cross multiply
    11,135.13x = 15,368.46 × 6,659.37
  4. Step 4: Simplify right side
    11,135.13x = 102,344,283.24
  5. Step 5: Solve for x
    x = 102,344,283.24/11,135.13
  6. Step 6: Final answer
    x = 9,191.12

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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.