Home / 11,345.36-17,012.28-5,186

Finding the Fourth Proportional to 11,345.36, 17,012.28 and 5,186

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Solution

The fourth proportional to 11,345.36, 17,012.28 and 5,186 is: 7,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.36 : 17,012.28 = 5,186 : x
  2. Step 2: Convert to fraction form
    11,345.36/17,012.28 = 5,186/x
  3. Step 3: Cross multiply
    11,345.36x = 17,012.28 × 5,186
  4. Step 4: Simplify right side
    11,345.36x = 88,225,684.08
  5. Step 5: Solve for x
    x = 88,225,684.08/11,345.36
  6. Step 6: Final answer
    x = 7,776.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.