Home / 13,028.72-19,541.52-3,669.44

Finding the Fourth Proportional to 13,028.72, 19,541.52 and 3,669.44

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Solution

The fourth proportional to 13,028.72, 19,541.52 and 3,669.44 is: 5,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.72 : 19,541.52 = 3,669.44 : x
  2. Step 2: Convert to fraction form
    13,028.72/19,541.52 = 3,669.44/x
  3. Step 3: Cross multiply
    13,028.72x = 19,541.52 × 3,669.44
  4. Step 4: Simplify right side
    13,028.72x = 71,706,337.44
  5. Step 5: Solve for x
    x = 71,706,337.44/13,028.72
  6. Step 6: Final answer
    x = 5,503.72

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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.