Home / 19,519.13-29,274.31-8,979.02

Finding the Fourth Proportional to 19,519.13, 29,274.31 and 8,979.02

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Solution

The fourth proportional to 19,519.13, 29,274.31 and 8,979.02 is: 13,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.13 : 29,274.31 = 8,979.02 : x
  2. Step 2: Convert to fraction form
    19,519.13/29,274.31 = 8,979.02/x
  3. Step 3: Cross multiply
    19,519.13x = 29,274.31 × 8,979.02
  4. Step 4: Simplify right side
    19,519.13x = 262,854,614.98
  5. Step 5: Solve for x
    x = 262,854,614.98/19,519.13
  6. Step 6: Final answer
    x = 13,466.51

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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.