Home / 19,816.88-29,730.78-16,109.90

Finding the Fourth Proportional to 19,816.88, 29,730.78 and 16,109.90

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Solution

The fourth proportional to 19,816.88, 29,730.78 and 16,109.90 is: 24,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.88 : 29,730.78 = 16,109.90 : x
  2. Step 2: Convert to fraction form
    19,816.88/29,730.78 = 16,109.90/x
  3. Step 3: Cross multiply
    19,816.88x = 29,730.78 × 16,109.90
  4. Step 4: Simplify right side
    19,816.88x = 478,959,892.72
  5. Step 5: Solve for x
    x = 478,959,892.72/19,816.88
  6. Step 6: Final answer
    x = 24,169.29

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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.