Home / 11,038.86-15,246.90-8,049.96

Finding the Fourth Proportional to 11,038.86, 15,246.90 and 8,049.96

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Solution

The fourth proportional to 11,038.86, 15,246.90 and 8,049.96 is: 11,118.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.86 : 15,246.90 = 8,049.96 : x
  2. Step 2: Convert to fraction form
    11,038.86/15,246.90 = 8,049.96/x
  3. Step 3: Cross multiply
    11,038.86x = 15,246.90 × 8,049.96
  4. Step 4: Simplify right side
    11,038.86x = 122,736,935.12
  5. Step 5: Solve for x
    x = 122,736,935.12/11,038.86
  6. Step 6: Final answer
    x = 11,118.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.