Home / 14,388.42-21,542.49-7,353.30

Finding the Fourth Proportional to 14,388.42, 21,542.49 and 7,353.30

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Solution

The fourth proportional to 14,388.42, 21,542.49 and 7,353.30 is: 11,009.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.42 : 21,542.49 = 7,353.30 : x
  2. Step 2: Convert to fraction form
    14,388.42/21,542.49 = 7,353.30/x
  3. Step 3: Cross multiply
    14,388.42x = 21,542.49 × 7,353.30
  4. Step 4: Simplify right side
    14,388.42x = 158,408,391.72
  5. Step 5: Solve for x
    x = 158,408,391.72/14,388.42
  6. Step 6: Final answer
    x = 11,009.44

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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.