Home / 18,289.02-27,396.99-8,414.76

Finding the Fourth Proportional to 18,289.02, 27,396.99 and 8,414.76

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Solution

The fourth proportional to 18,289.02, 27,396.99 and 8,414.76 is: 12,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.02 : 27,396.99 = 8,414.76 : x
  2. Step 2: Convert to fraction form
    18,289.02/27,396.99 = 8,414.76/x
  3. Step 3: Cross multiply
    18,289.02x = 27,396.99 × 8,414.76
  4. Step 4: Simplify right side
    18,289.02x = 230,539,095.57
  5. Step 5: Solve for x
    x = 230,539,095.57/18,289.02
  6. Step 6: Final answer
    x = 12,605.33

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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.