Home / 14,347.26-21,520.89-3,958.74

Finding the Fourth Proportional to 14,347.26, 21,520.89 and 3,958.74

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Solution

The fourth proportional to 14,347.26, 21,520.89 and 3,958.74 is: 5,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.26 : 21,520.89 = 3,958.74 : x
  2. Step 2: Convert to fraction form
    14,347.26/21,520.89 = 3,958.74/x
  3. Step 3: Cross multiply
    14,347.26x = 21,520.89 × 3,958.74
  4. Step 4: Simplify right side
    14,347.26x = 85,195,608.08
  5. Step 5: Solve for x
    x = 85,195,608.08/14,347.26
  6. Step 6: Final answer
    x = 5,938.11

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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.