Home / 13,173.84-19,747.68-5,388.24

Finding the Fourth Proportional to 13,173.84, 19,747.68 and 5,388.24

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Solution

The fourth proportional to 13,173.84, 19,747.68 and 5,388.24 is: 8,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.84 : 19,747.68 = 5,388.24 : x
  2. Step 2: Convert to fraction form
    13,173.84/19,747.68 = 5,388.24/x
  3. Step 3: Cross multiply
    13,173.84x = 19,747.68 × 5,388.24
  4. Step 4: Simplify right side
    13,173.84x = 106,405,239.28
  5. Step 5: Solve for x
    x = 106,405,239.28/13,173.84
  6. Step 6: Final answer
    x = 8,077.01

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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.