Home / 19,512.82-29,268.90-4,721.62

Finding the Fourth Proportional to 19,512.82, 29,268.90 and 4,721.62

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Solution

The fourth proportional to 19,512.82, 29,268.90 and 4,721.62 is: 7,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.82 : 29,268.90 = 4,721.62 : x
  2. Step 2: Convert to fraction form
    19,512.82/29,268.90 = 4,721.62/x
  3. Step 3: Cross multiply
    19,512.82x = 29,268.90 × 4,721.62
  4. Step 4: Simplify right side
    19,512.82x = 138,196,623.62
  5. Step 5: Solve for x
    x = 138,196,623.62/19,512.82
  6. Step 6: Final answer
    x = 7,082.35

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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.