Home / 13,926.60-20,872.62-6,899.04

Finding the Fourth Proportional to 13,926.60, 20,872.62 and 6,899.04

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Solution

The fourth proportional to 13,926.60, 20,872.62 and 6,899.04 is: 10,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.60 : 20,872.62 = 6,899.04 : x
  2. Step 2: Convert to fraction form
    13,926.60/20,872.62 = 6,899.04/x
  3. Step 3: Cross multiply
    13,926.60x = 20,872.62 × 6,899.04
  4. Step 4: Simplify right side
    13,926.60x = 144,001,040.28
  5. Step 5: Solve for x
    x = 144,001,040.28/13,926.60
  6. Step 6: Final answer
    x = 10,340.00

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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.