Home / 19,739.76-29,610-8,044.80

Finding the Fourth Proportional to 19,739.76, 29,610 and 8,044.80

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Solution

The fourth proportional to 19,739.76, 29,610 and 8,044.80 is: 12,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.76 : 29,610 = 8,044.80 : x
  2. Step 2: Convert to fraction form
    19,739.76/29,610 = 8,044.80/x
  3. Step 3: Cross multiply
    19,739.76x = 29,610 × 8,044.80
  4. Step 4: Simplify right side
    19,739.76x = 238,206,528
  5. Step 5: Solve for x
    x = 238,206,528/19,739.76
  6. Step 6: Final answer
    x = 12,067.35

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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.