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Finding the Fourth Proportional to 19,749, 29,628.36 and 5,898

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Solution

The fourth proportional to 19,749, 29,628.36 and 5,898 is: 8,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749 : 29,628.36 = 5,898 : x
  2. Step 2: Convert to fraction form
    19,749/29,628.36 = 5,898/x
  3. Step 3: Cross multiply
    19,749x = 29,628.36 × 5,898
  4. Step 4: Simplify right side
    19,749x = 174,748,067.28
  5. Step 5: Solve for x
    x = 174,748,067.28/19,749
  6. Step 6: Final answer
    x = 8,848.45

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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.