Home / 13,376.10-20,076.48-6,807

Finding the Fourth Proportional to 13,376.10, 20,076.48 and 6,807

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Solution

The fourth proportional to 13,376.10, 20,076.48 and 6,807 is: 10,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.10 : 20,076.48 = 6,807 : x
  2. Step 2: Convert to fraction form
    13,376.10/20,076.48 = 6,807/x
  3. Step 3: Cross multiply
    13,376.10x = 20,076.48 × 6,807
  4. Step 4: Simplify right side
    13,376.10x = 136,660,599.36
  5. Step 5: Solve for x
    x = 136,660,599.36/13,376.10
  6. Step 6: Final answer
    x = 10,216.77

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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.