Home / 20,006.15-30,012.46-6,155.15

Finding the Fourth Proportional to 20,006.15, 30,012.46 and 6,155.15

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Solution

The fourth proportional to 20,006.15, 30,012.46 and 6,155.15 is: 9,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.15 : 30,012.46 = 6,155.15 : x
  2. Step 2: Convert to fraction form
    20,006.15/30,012.46 = 6,155.15/x
  3. Step 3: Cross multiply
    20,006.15x = 30,012.46 × 6,155.15
  4. Step 4: Simplify right side
    20,006.15x = 184,731,027.72
  5. Step 5: Solve for x
    x = 184,731,027.72/20,006.15
  6. Step 6: Final answer
    x = 9,233.71

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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.