Home / 14,480.72-21,757.52-9,218.12

Finding the Fourth Proportional to 14,480.72, 21,757.52 and 9,218.12

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Solution

The fourth proportional to 14,480.72, 21,757.52 and 9,218.12 is: 13,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.72 : 21,757.52 = 9,218.12 : x
  2. Step 2: Convert to fraction form
    14,480.72/21,757.52 = 9,218.12/x
  3. Step 3: Cross multiply
    14,480.72x = 21,757.52 × 9,218.12
  4. Step 4: Simplify right side
    14,480.72x = 200,563,430.26
  5. Step 5: Solve for x
    x = 200,563,430.26/14,480.72
  6. Step 6: Final answer
    x = 13,850.38

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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.