Home / 17,387.96-26,086.78-5,709.38

Finding the Fourth Proportional to 17,387.96, 26,086.78 and 5,709.38

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Solution

The fourth proportional to 17,387.96, 26,086.78 and 5,709.38 is: 8,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.96 : 26,086.78 = 5,709.38 : x
  2. Step 2: Convert to fraction form
    17,387.96/26,086.78 = 5,709.38/x
  3. Step 3: Cross multiply
    17,387.96x = 26,086.78 × 5,709.38
  4. Step 4: Simplify right side
    17,387.96x = 148,939,340.00
  5. Step 5: Solve for x
    x = 148,939,340.00/17,387.96
  6. Step 6: Final answer
    x = 8,565.66

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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.