Home / 19,743.69-29,615.67-7,898.45

Finding the Fourth Proportional to 19,743.69, 29,615.67 and 7,898.45

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Solution

The fourth proportional to 19,743.69, 29,615.67 and 7,898.45 is: 11,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.69 : 29,615.67 = 7,898.45 : x
  2. Step 2: Convert to fraction form
    19,743.69/29,615.67 = 7,898.45/x
  3. Step 3: Cross multiply
    19,743.69x = 29,615.67 × 7,898.45
  4. Step 4: Simplify right side
    19,743.69x = 233,917,962.75
  5. Step 5: Solve for x
    x = 233,917,962.75/19,743.69
  6. Step 6: Final answer
    x = 11,847.73

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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.