Home / 9,687.88-14,538.72-4,423.60

Finding the Fourth Proportional to 9,687.88, 14,538.72 and 4,423.60

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Solution

The fourth proportional to 9,687.88, 14,538.72 and 4,423.60 is: 6,638.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.88 : 14,538.72 = 4,423.60 : x
  2. Step 2: Convert to fraction form
    9,687.88/14,538.72 = 4,423.60/x
  3. Step 3: Cross multiply
    9,687.88x = 14,538.72 × 4,423.60
  4. Step 4: Simplify right side
    9,687.88x = 64,313,481.79
  5. Step 5: Solve for x
    x = 64,313,481.79/9,687.88
  6. Step 6: Final answer
    x = 6,638.55

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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.