Home / 11,686.08-17,531.76-4,290.48

Finding the Fourth Proportional to 11,686.08, 17,531.76 and 4,290.48

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Solution

The fourth proportional to 11,686.08, 17,531.76 and 4,290.48 is: 6,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.08 : 17,531.76 = 4,290.48 : x
  2. Step 2: Convert to fraction form
    11,686.08/17,531.76 = 4,290.48/x
  3. Step 3: Cross multiply
    11,686.08x = 17,531.76 × 4,290.48
  4. Step 4: Simplify right side
    11,686.08x = 75,219,665.64
  5. Step 5: Solve for x
    x = 75,219,665.64/11,686.08
  6. Step 6: Final answer
    x = 6,436.69

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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.