Home / 13,869.44-20,776.48-9,476

Finding the Fourth Proportional to 13,869.44, 20,776.48 and 9,476

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Solution

The fourth proportional to 13,869.44, 20,776.48 and 9,476 is: 14,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.44 : 20,776.48 = 9,476 : x
  2. Step 2: Convert to fraction form
    13,869.44/20,776.48 = 9,476/x
  3. Step 3: Cross multiply
    13,869.44x = 20,776.48 × 9,476
  4. Step 4: Simplify right side
    13,869.44x = 196,877,924.48
  5. Step 5: Solve for x
    x = 196,877,924.48/13,869.44
  6. Step 6: Final answer
    x = 14,195.09

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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.