Home / 14,318.64-21,481.08-5,885.21

Finding the Fourth Proportional to 14,318.64, 21,481.08 and 5,885.21

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Solution

The fourth proportional to 14,318.64, 21,481.08 and 5,885.21 is: 8,829.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.64 : 21,481.08 = 5,885.21 : x
  2. Step 2: Convert to fraction form
    14,318.64/21,481.08 = 5,885.21/x
  3. Step 3: Cross multiply
    14,318.64x = 21,481.08 × 5,885.21
  4. Step 4: Simplify right side
    14,318.64x = 126,420,559.42
  5. Step 5: Solve for x
    x = 126,420,559.42/14,318.64
  6. Step 6: Final answer
    x = 8,829.09

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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.