Home / 18,070.90-27,092.96-8,578.52

Finding the Fourth Proportional to 18,070.90, 27,092.96 and 8,578.52

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Solution

The fourth proportional to 18,070.90, 27,092.96 and 8,578.52 is: 12,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.90 : 27,092.96 = 8,578.52 : x
  2. Step 2: Convert to fraction form
    18,070.90/27,092.96 = 8,578.52/x
  3. Step 3: Cross multiply
    18,070.90x = 27,092.96 × 8,578.52
  4. Step 4: Simplify right side
    18,070.90x = 232,417,499.22
  5. Step 5: Solve for x
    x = 232,417,499.22/18,070.90
  6. Step 6: Final answer
    x = 12,861.42

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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.