Home / 14,491.94-19,997.15-8,118.86

Finding the Fourth Proportional to 14,491.94, 19,997.15 and 8,118.86

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Solution

The fourth proportional to 14,491.94, 19,997.15 and 8,118.86 is: 11,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.94 : 19,997.15 = 8,118.86 : x
  2. Step 2: Convert to fraction form
    14,491.94/19,997.15 = 8,118.86/x
  3. Step 3: Cross multiply
    14,491.94x = 19,997.15 × 8,118.86
  4. Step 4: Simplify right side
    14,491.94x = 162,353,920.67
  5. Step 5: Solve for x
    x = 162,353,920.67/14,491.94
  6. Step 6: Final answer
    x = 11,203.05

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1.5x scale

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.