Home / 16,720.86-25,081.33-4,240.89

Finding the Fourth Proportional to 16,720.86, 25,081.33 and 4,240.89

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Solution

The fourth proportional to 16,720.86, 25,081.33 and 4,240.89 is: 6,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.86 : 25,081.33 = 4,240.89 : x
  2. Step 2: Convert to fraction form
    16,720.86/25,081.33 = 4,240.89/x
  3. Step 3: Cross multiply
    16,720.86x = 25,081.33 × 4,240.89
  4. Step 4: Simplify right side
    16,720.86x = 106,367,166.88
  5. Step 5: Solve for x
    x = 106,367,166.88/16,720.86
  6. Step 6: Final answer
    x = 6,361.35

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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.