Home / 19,519.94-29,275.53-8,979.84

Finding the Fourth Proportional to 19,519.94, 29,275.53 and 8,979.84

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Solution

The fourth proportional to 19,519.94, 29,275.53 and 8,979.84 is: 13,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.94 : 29,275.53 = 8,979.84 : x
  2. Step 2: Convert to fraction form
    19,519.94/29,275.53 = 8,979.84/x
  3. Step 3: Cross multiply
    19,519.94x = 29,275.53 × 8,979.84
  4. Step 4: Simplify right side
    19,519.94x = 262,889,575.32
  5. Step 5: Solve for x
    x = 262,889,575.32/19,519.94
  6. Step 6: Final answer
    x = 13,467.75

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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.