Home / 18,786.83-28,180.24-4,746.89

Finding the Fourth Proportional to 18,786.83, 28,180.24 and 4,746.89

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Solution

The fourth proportional to 18,786.83, 28,180.24 and 4,746.89 is: 7,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.83 : 28,180.24 = 4,746.89 : x
  2. Step 2: Convert to fraction form
    18,786.83/28,180.24 = 4,746.89/x
  3. Step 3: Cross multiply
    18,786.83x = 28,180.24 × 4,746.89
  4. Step 4: Simplify right side
    18,786.83x = 133,768,558.04
  5. Step 5: Solve for x
    x = 133,768,558.04/18,786.83
  6. Step 6: Final answer
    x = 7,120.34

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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.