Home / 19,483.44-29,221.97-8,387.15

Finding the Fourth Proportional to 19,483.44, 29,221.97 and 8,387.15

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Solution

The fourth proportional to 19,483.44, 29,221.97 and 8,387.15 is: 12,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.44 : 29,221.97 = 8,387.15 : x
  2. Step 2: Convert to fraction form
    19,483.44/29,221.97 = 8,387.15/x
  3. Step 3: Cross multiply
    19,483.44x = 29,221.97 × 8,387.15
  4. Step 4: Simplify right side
    19,483.44x = 245,088,857.64
  5. Step 5: Solve for x
    x = 245,088,857.64/19,483.44
  6. Step 6: Final answer
    x = 12,579.34

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1.5x scale

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.