Home / 14,214.08-21,318.60-8,363.84

Finding the Fourth Proportional to 14,214.08, 21,318.60 and 8,363.84

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Solution

The fourth proportional to 14,214.08, 21,318.60 and 8,363.84 is: 12,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.08 : 21,318.60 = 8,363.84 : x
  2. Step 2: Convert to fraction form
    14,214.08/21,318.60 = 8,363.84/x
  3. Step 3: Cross multiply
    14,214.08x = 21,318.60 × 8,363.84
  4. Step 4: Simplify right side
    14,214.08x = 178,305,359.42
  5. Step 5: Solve for x
    x = 178,305,359.42/14,214.08
  6. Step 6: Final answer
    x = 12,544.28

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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.