Home / 19,979.00-29,973.38-6,651.98

Finding the Fourth Proportional to 19,979.00, 29,973.38 and 6,651.98

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Solution

The fourth proportional to 19,979.00, 29,973.38 and 6,651.98 is: 9,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.00 : 29,973.38 = 6,651.98 : x
  2. Step 2: Convert to fraction form
    19,979.00/29,973.38 = 6,651.98/x
  3. Step 3: Cross multiply
    19,979.00x = 29,973.38 × 6,651.98
  4. Step 4: Simplify right side
    19,979.00x = 199,382,141.17
  5. Step 5: Solve for x
    x = 199,382,141.17/19,979.00
  6. Step 6: Final answer
    x = 9,979.59

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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.