Home / 18,205.59-27,310.67-6,518.81

Finding the Fourth Proportional to 18,205.59, 27,310.67 and 6,518.81

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Solution

The fourth proportional to 18,205.59, 27,310.67 and 6,518.81 is: 9,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.59 : 27,310.67 = 6,518.81 : x
  2. Step 2: Convert to fraction form
    18,205.59/27,310.67 = 6,518.81/x
  3. Step 3: Cross multiply
    18,205.59x = 27,310.67 × 6,518.81
  4. Step 4: Simplify right side
    18,205.59x = 178,033,128.83
  5. Step 5: Solve for x
    x = 178,033,128.83/18,205.59
  6. Step 6: Final answer
    x = 9,779.03

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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.