Home / 11,686.93-17,528.50-4,289.56

Finding the Fourth Proportional to 11,686.93, 17,528.50 and 4,289.56

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Solution

The fourth proportional to 11,686.93, 17,528.50 and 4,289.56 is: 6,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.93 : 17,528.50 = 4,289.56 : x
  2. Step 2: Convert to fraction form
    11,686.93/17,528.50 = 4,289.56/x
  3. Step 3: Cross multiply
    11,686.93x = 17,528.50 × 4,289.56
  4. Step 4: Simplify right side
    11,686.93x = 75,189,514.00
  5. Step 5: Solve for x
    x = 75,189,514.00/11,686.93
  6. Step 6: Final answer
    x = 6,433.64

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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.