Home / 19,186.08-28,779.08-6,039.60

Finding the Fourth Proportional to 19,186.08, 28,779.08 and 6,039.60

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Solution

The fourth proportional to 19,186.08, 28,779.08 and 6,039.60 is: 9,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.08 : 28,779.08 = 6,039.60 : x
  2. Step 2: Convert to fraction form
    19,186.08/28,779.08 = 6,039.60/x
  3. Step 3: Cross multiply
    19,186.08x = 28,779.08 × 6,039.60
  4. Step 4: Simplify right side
    19,186.08x = 173,814,131.57
  5. Step 5: Solve for x
    x = 173,814,131.57/19,186.08
  6. Step 6: Final answer
    x = 9,059.39

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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.