Home / 16,811.89-25,217.80-10,149.71

Finding the Fourth Proportional to 16,811.89, 25,217.80 and 10,149.71

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Solution

The fourth proportional to 16,811.89, 25,217.80 and 10,149.71 is: 15,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.89 : 25,217.80 = 10,149.71 : x
  2. Step 2: Convert to fraction form
    16,811.89/25,217.80 = 10,149.71/x
  3. Step 3: Cross multiply
    16,811.89x = 25,217.80 × 10,149.71
  4. Step 4: Simplify right side
    16,811.89x = 255,953,205.37
  5. Step 5: Solve for x
    x = 255,953,205.37/16,811.89
  6. Step 6: Final answer
    x = 15,224.54

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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.