Home / 11,997.04-16,562.62-8,422.98

Finding the Fourth Proportional to 11,997.04, 16,562.62 and 8,422.98

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Solution

The fourth proportional to 11,997.04, 16,562.62 and 8,422.98 is: 11,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.04 : 16,562.62 = 8,422.98 : x
  2. Step 2: Convert to fraction form
    11,997.04/16,562.62 = 8,422.98/x
  3. Step 3: Cross multiply
    11,997.04x = 16,562.62 × 8,422.98
  4. Step 4: Simplify right side
    11,997.04x = 139,506,617.01
  5. Step 5: Solve for x
    x = 139,506,617.01/11,997.04
  6. Step 6: Final answer
    x = 11,628.42

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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.