Home / 18,219.87-27,329.76-5,740.95

Finding the Fourth Proportional to 18,219.87, 27,329.76 and 5,740.95

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Solution

The fourth proportional to 18,219.87, 27,329.76 and 5,740.95 is: 8,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.87 : 27,329.76 = 5,740.95 : x
  2. Step 2: Convert to fraction form
    18,219.87/27,329.76 = 5,740.95/x
  3. Step 3: Cross multiply
    18,219.87x = 27,329.76 × 5,740.95
  4. Step 4: Simplify right side
    18,219.87x = 156,898,785.67
  5. Step 5: Solve for x
    x = 156,898,785.67/18,219.87
  6. Step 6: Final answer
    x = 8,611.41

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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.