Home / 19,851.72-29,777.16-5,060.64

Finding the Fourth Proportional to 19,851.72, 29,777.16 and 5,060.64

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Solution

The fourth proportional to 19,851.72, 29,777.16 and 5,060.64 is: 7,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.72 : 29,777.16 = 5,060.64 : x
  2. Step 2: Convert to fraction form
    19,851.72/29,777.16 = 5,060.64/x
  3. Step 3: Cross multiply
    19,851.72x = 29,777.16 × 5,060.64
  4. Step 4: Simplify right side
    19,851.72x = 150,691,486.98
  5. Step 5: Solve for x
    x = 150,691,486.98/19,851.72
  6. Step 6: Final answer
    x = 7,590.85

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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.