Home / 13,872.14-20,807.04-5,974.34

Finding the Fourth Proportional to 13,872.14, 20,807.04 and 5,974.34

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Solution

The fourth proportional to 13,872.14, 20,807.04 and 5,974.34 is: 8,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.14 : 20,807.04 = 5,974.34 : x
  2. Step 2: Convert to fraction form
    13,872.14/20,807.04 = 5,974.34/x
  3. Step 3: Cross multiply
    13,872.14x = 20,807.04 × 5,974.34
  4. Step 4: Simplify right side
    13,872.14x = 124,308,331.35
  5. Step 5: Solve for x
    x = 124,308,331.35/13,872.14
  6. Step 6: Final answer
    x = 8,961.01

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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.