Home / 14,372.60-21,559.10-3,984.35

Finding the Fourth Proportional to 14,372.60, 21,559.10 and 3,984.35

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Solution

The fourth proportional to 14,372.60, 21,559.10 and 3,984.35 is: 5,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,372.60 : 21,559.10 = 3,984.35 : x
  2. Step 2: Convert to fraction form
    14,372.60/21,559.10 = 3,984.35/x
  3. Step 3: Cross multiply
    14,372.60x = 21,559.10 × 3,984.35
  4. Step 4: Simplify right side
    14,372.60x = 85,898,872.37
  5. Step 5: Solve for x
    x = 85,898,872.37/14,372.60
  6. Step 6: Final answer
    x = 5,976.57

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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.