Home / 20,491.41-30,737.72-8,010.93

Finding the Fourth Proportional to 20,491.41, 30,737.72 and 8,010.93

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Solution

The fourth proportional to 20,491.41, 30,737.72 and 8,010.93 is: 12,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491.41 : 30,737.72 = 8,010.93 : x
  2. Step 2: Convert to fraction form
    20,491.41/30,737.72 = 8,010.93/x
  3. Step 3: Cross multiply
    20,491.41x = 30,737.72 × 8,010.93
  4. Step 4: Simplify right side
    20,491.41x = 246,237,723.28
  5. Step 5: Solve for x
    x = 246,237,723.28/20,491.41
  6. Step 6: Final answer
    x = 12,016.63

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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.