Home / 13,676.04-18,872.92-7,388.42

Finding the Fourth Proportional to 13,676.04, 18,872.92 and 7,388.42

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Solution

The fourth proportional to 13,676.04, 18,872.92 and 7,388.42 is: 10,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.04 : 18,872.92 = 7,388.42 : x
  2. Step 2: Convert to fraction form
    13,676.04/18,872.92 = 7,388.42/x
  3. Step 3: Cross multiply
    13,676.04x = 18,872.92 × 7,388.42
  4. Step 4: Simplify right side
    13,676.04x = 139,440,995.24
  5. Step 5: Solve for x
    x = 139,440,995.24/13,676.04
  6. Step 6: Final answer
    x = 10,196.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.