Home / 19,944.90-29,906.55-8,259.30

Finding the Fourth Proportional to 19,944.90, 29,906.55 and 8,259.30

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Solution

The fourth proportional to 19,944.90, 29,906.55 and 8,259.30 is: 12,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.90 : 29,906.55 = 8,259.30 : x
  2. Step 2: Convert to fraction form
    19,944.90/29,906.55 = 8,259.30/x
  3. Step 3: Cross multiply
    19,944.90x = 29,906.55 × 8,259.30
  4. Step 4: Simplify right side
    19,944.90x = 247,007,168.42
  5. Step 5: Solve for x
    x = 247,007,168.42/19,944.90
  6. Step 6: Final answer
    x = 12,384.48

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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.