Home / 18,519.35-27,779.31-6,039.32

Finding the Fourth Proportional to 18,519.35, 27,779.31 and 6,039.32

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Solution

The fourth proportional to 18,519.35, 27,779.31 and 6,039.32 is: 9,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.35 : 27,779.31 = 6,039.32 : x
  2. Step 2: Convert to fraction form
    18,519.35/27,779.31 = 6,039.32/x
  3. Step 3: Cross multiply
    18,519.35x = 27,779.31 × 6,039.32
  4. Step 4: Simplify right side
    18,519.35x = 167,768,003.57
  5. Step 5: Solve for x
    x = 167,768,003.57/18,519.35
  6. Step 6: Final answer
    x = 9,059.07

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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.