Home / 13,914.04-20,876.40-8,371.36

Finding the Fourth Proportional to 13,914.04, 20,876.40 and 8,371.36

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Solution

The fourth proportional to 13,914.04, 20,876.40 and 8,371.36 is: 12,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.04 : 20,876.40 = 8,371.36 : x
  2. Step 2: Convert to fraction form
    13,914.04/20,876.40 = 8,371.36/x
  3. Step 3: Cross multiply
    13,914.04x = 20,876.40 × 8,371.36
  4. Step 4: Simplify right side
    13,914.04x = 174,763,859.90
  5. Step 5: Solve for x
    x = 174,763,859.90/13,914.04
  6. Step 6: Final answer
    x = 12,560.25

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1.5x scale

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.