Home / 19,207.62-28,816.29-8,108.64

Finding the Fourth Proportional to 19,207.62, 28,816.29 and 8,108.64

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Solution

The fourth proportional to 19,207.62, 28,816.29 and 8,108.64 is: 12,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,207.62 : 28,816.29 = 8,108.64 : x
  2. Step 2: Convert to fraction form
    19,207.62/28,816.29 = 8,108.64/x
  3. Step 3: Cross multiply
    19,207.62x = 28,816.29 × 8,108.64
  4. Step 4: Simplify right side
    19,207.62x = 233,660,921.75
  5. Step 5: Solve for x
    x = 233,660,921.75/19,207.62
  6. Step 6: Final answer
    x = 12,165.01

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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.