Home / 9,439.40-14,160.46-3,199.96

Finding the Fourth Proportional to 9,439.40, 14,160.46 and 3,199.96

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Solution

The fourth proportional to 9,439.40, 14,160.46 and 3,199.96 is: 4,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.40 : 14,160.46 = 3,199.96 : x
  2. Step 2: Convert to fraction form
    9,439.40/14,160.46 = 3,199.96/x
  3. Step 3: Cross multiply
    9,439.40x = 14,160.46 × 3,199.96
  4. Step 4: Simplify right side
    9,439.40x = 45,312,905.58
  5. Step 5: Solve for x
    x = 45,312,905.58/9,439.40
  6. Step 6: Final answer
    x = 4,800.40

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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.