Home / 13,329.72-19,997.82-5,534.28

Finding the Fourth Proportional to 13,329.72, 19,997.82 and 5,534.28

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Solution

The fourth proportional to 13,329.72, 19,997.82 and 5,534.28 is: 8,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.72 : 19,997.82 = 5,534.28 : x
  2. Step 2: Convert to fraction form
    13,329.72/19,997.82 = 5,534.28/x
  3. Step 3: Cross multiply
    13,329.72x = 19,997.82 × 5,534.28
  4. Step 4: Simplify right side
    13,329.72x = 110,673,535.27
  5. Step 5: Solve for x
    x = 110,673,535.27/13,329.72
  6. Step 6: Final answer
    x = 8,302.77

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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.