Home / 13,902.62-20,857.84-5,588.48

Finding the Fourth Proportional to 13,902.62, 20,857.84 and 5,588.48

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Solution

The fourth proportional to 13,902.62, 20,857.84 and 5,588.48 is: 8,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.62 : 20,857.84 = 5,588.48 : x
  2. Step 2: Convert to fraction form
    13,902.62/20,857.84 = 5,588.48/x
  3. Step 3: Cross multiply
    13,902.62x = 20,857.84 × 5,588.48
  4. Step 4: Simplify right side
    13,902.62x = 116,563,621.68
  5. Step 5: Solve for x
    x = 116,563,621.68/13,902.62
  6. Step 6: Final answer
    x = 8,384.29

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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.