Home / 14,834.41-20,470.70-8,118.74

Finding the Fourth Proportional to 14,834.41, 20,470.70 and 8,118.74

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Solution

The fourth proportional to 14,834.41, 20,470.70 and 8,118.74 is: 11,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.41 : 20,470.70 = 8,118.74 : x
  2. Step 2: Convert to fraction form
    14,834.41/20,470.70 = 8,118.74/x
  3. Step 3: Cross multiply
    14,834.41x = 20,470.70 × 8,118.74
  4. Step 4: Simplify right side
    14,834.41x = 166,196,147.97
  5. Step 5: Solve for x
    x = 166,196,147.97/14,834.41
  6. Step 6: Final answer
    x = 11,203.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.