Home / 14,834.39-20,470.95-8,119.87

Finding the Fourth Proportional to 14,834.39, 20,470.95 and 8,119.87

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Solution

The fourth proportional to 14,834.39, 20,470.95 and 8,119.87 is: 11,205.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,834.39 : 20,470.95 = 8,119.87 : x
  2. Step 2: Convert to fraction form
    14,834.39/20,470.95 = 8,119.87/x
  3. Step 3: Cross multiply
    14,834.39x = 20,470.95 × 8,119.87
  4. Step 4: Simplify right side
    14,834.39x = 166,221,452.78
  5. Step 5: Solve for x
    x = 166,221,452.78/14,834.39
  6. Step 6: Final answer
    x = 11,205.14

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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.