Home / 11,719.08-17,558.98-11,263.86

Finding the Fourth Proportional to 11,719.08, 17,558.98 and 11,263.86

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Solution

The fourth proportional to 11,719.08, 17,558.98 and 11,263.86 is: 16,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.08 : 17,558.98 = 11,263.86 : x
  2. Step 2: Convert to fraction form
    11,719.08/17,558.98 = 11,263.86/x
  3. Step 3: Cross multiply
    11,719.08x = 17,558.98 × 11,263.86
  4. Step 4: Simplify right side
    11,719.08x = 197,781,864.30
  5. Step 5: Solve for x
    x = 197,781,864.30/11,719.08
  6. Step 6: Final answer
    x = 16,876.91

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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.