Home / 13,908.28-20,847.84-6,506.50

Finding the Fourth Proportional to 13,908.28, 20,847.84 and 6,506.50

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Solution

The fourth proportional to 13,908.28, 20,847.84 and 6,506.50 is: 9,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.28 : 20,847.84 = 6,506.50 : x
  2. Step 2: Convert to fraction form
    13,908.28/20,847.84 = 6,506.50/x
  3. Step 3: Cross multiply
    13,908.28x = 20,847.84 × 6,506.50
  4. Step 4: Simplify right side
    13,908.28x = 135,646,470.96
  5. Step 5: Solve for x
    x = 135,646,470.96/13,908.28
  6. Step 6: Final answer
    x = 9,752.93

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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.