Home / 13,727.72-20,591.58-6,330

Finding the Fourth Proportional to 13,727.72, 20,591.58 and 6,330

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Solution

The fourth proportional to 13,727.72, 20,591.58 and 6,330 is: 9,495

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.72 : 20,591.58 = 6,330 : x
  2. Step 2: Convert to fraction form
    13,727.72/20,591.58 = 6,330/x
  3. Step 3: Cross multiply
    13,727.72x = 20,591.58 × 6,330
  4. Step 4: Simplify right side
    13,727.72x = 130,344,701.40
  5. Step 5: Solve for x
    x = 130,344,701.40/13,727.72
  6. Step 6: Final answer
    x = 9,495

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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.