Home / 11,608.38-17,417.43-8,347.32

Finding the Fourth Proportional to 11,608.38, 17,417.43 and 8,347.32

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Solution

The fourth proportional to 11,608.38, 17,417.43 and 8,347.32 is: 12,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,608.38 : 17,417.43 = 8,347.32 : x
  2. Step 2: Convert to fraction form
    11,608.38/17,417.43 = 8,347.32/x
  3. Step 3: Cross multiply
    11,608.38x = 17,417.43 × 8,347.32
  4. Step 4: Simplify right side
    11,608.38x = 145,388,861.79
  5. Step 5: Solve for x
    x = 145,388,861.79/11,608.38
  6. Step 6: Final answer
    x = 12,524.47

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1.5x scale

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.