Home / 20,007.36-30,005.28-6,157.44

Finding the Fourth Proportional to 20,007.36, 30,005.28 and 6,157.44

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Solution

The fourth proportional to 20,007.36, 30,005.28 and 6,157.44 is: 9,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.36 : 30,005.28 = 6,157.44 : x
  2. Step 2: Convert to fraction form
    20,007.36/30,005.28 = 6,157.44/x
  3. Step 3: Cross multiply
    20,007.36x = 30,005.28 × 6,157.44
  4. Step 4: Simplify right side
    20,007.36x = 184,755,711.28
  5. Step 5: Solve for x
    x = 184,755,711.28/20,007.36
  6. Step 6: Final answer
    x = 9,234.39

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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.